BuFu Ring by Demon Kat

$34.99
$34.99

Demon Kat BuFu Soft and Stretchy Cock Ring wraps around your shaft and balls to create harder erections and prolonged stamina. Made from premium TPR material that stretches from 2.25 to 5 inches, this dual-purpose ring enhances blood flow restriction for stronger orgasms and extended performance.

Key Features:

Premium TPR construction stretches from 2.25 to 5 inches diameter providing comfortable penile constriction that maintains erections longer during penetration and masturbation for enhanced sexual performance.

Flat inner surface engineering creates secure positioning around the penis base preventing unwanted movement while delivering consistent blood flow restriction for sustained arousal and harder erections.

Versatile wearing configurations support single or doubled application methods allowing customized enhancement experiences for individual penis sizes and preferred stimulation intensity during sexual activity.

Hypoallergenic TPR material ensures safe extended wear during intercourse and solo masturbation while maintaining compatibility with all personal lubricants for comfortable penetration and stimulation.

Elastic properties provide gentle constriction around penis shaft and testicles creating enhanced sensitivity during orgasm while supporting prolonged erection maintenance for extended sexual sessions.

Vendor: Demon Kat
SKU: NEW-4153-BLACK
Availability: Out Of Stock
Product type: Stretchy Cock Rings
Please hurry! Only 0 left in stock
Colour: Black

A soft TPR cock ring that stretches from 2.25 to 5 inches to fit your shaft and balls, trapping blood for rock-hard erections and extended stamina. Perfect for guys who want harder, longer-lasting performance without the pinch of rigid metal.

Why choose the BuFu Soft and Stretchy Cock Ring by Demon Kat
  • Material: Hypoallergenic TPR that flexes with your body
  • Fit range: Stretches 2.25 to 5 inches for custom sizing
  • Blood restriction: Maintains erection hardness for longer sessions
  • Comfort: Flat inner surface won't roll or pinch skin
  • Sensation boost: Heightens sensitivity and intensifies orgasm
  • Versatility: Wear around shaft alone or over cock and balls
  • Lube compatible: Works with all personal lubricants
📦 Discreet plain-wrapped delivery  •  💳 Private billing  •  ↩️ Easy size-swap returns

What it does

Slip this ring around the base of your semi-hard penis and it grips tight enough to trap blood in your shaft, keeping you harder for longer. Blood wants to flow back out—the ring stops that. Your erection stays engorged and swollen, building tension that makes every touch feel more intense. Sensitivity increases throughout your shaft as blood pools, and that pressure creates a feeling that drives both you and your partner wild.

When you climax, all that built-up pressure has nowhere to go. Your cock throbs hard against the ring's grip, and your orgasm becomes a full-body experience with more powerful contractions and stronger ejaculation. Stretchy Cock Rings like this one give you the benefit of blood flow restriction without the discomfort of rigid materials—the soft TPR adjusts to your exact size and moves with your body throughout your session.

Specifications

  • Unstretched diameter: 2.25 inches
  • Maximum stretch diameter: 5 inches
  • Material: Premium thermoplastic rubber (TPR)
  • Inner surface: Flat design to prevent rolling
  • Compatibility: Works with all personal lubricants
  • Care: Mild soap and air dry completely between uses

Fit and sizing

Start by measuring your penis diameter when semi-hard—that's your baseline. Most guys with average to larger cocks will find the 5-inch maximum stretch gives them room to adjust the ring to their exact size without fighting it. If you're on the smaller side, the 2.25-inch starting diameter may feel snug from the start. Cockringshop specialise in products for men and couples, so our staff can help you figure out your right size if you're unsure. Choose comfort over ego—a ring that fits properly will let you focus on sensation instead of struggling to get it on or worrying it's cutting off circulation.

How to use it

Get yourself semi-hard first, then stretch the ring open and slide it over your cock. Work it down to the base of your shaft. Once it's in place, you'll feel a gentle squeeze that signals proper blood flow restriction. For fuller sensation and maximum hardness, stretch it further and work it over your balls as well—the dual restriction keeps more blood trapped and builds even more tension.

Add lube if you need it to slide into position comfortably. Start your session slow and let your cock adjust to the enhanced hardness the ring creates. Pay attention to how long you can last—most guys find they can go much longer without losing their erection. When you're ready to finish, the ring amplifies every pulse as your penis tries to expand against its grip. Rinse with mild soap and air dry completely before storing.

Feature breakdown

Feature Specification Benefit Experience
TPR Material Stretches 2.25–5 inches Adjusts pressure for perfect erection enhancement Comfortable grip without painful pinching
Flat Inner Surface Non-rolling stable design Maintains consistent blood restriction Stays in place during movement and sex
Soft Material Hypoallergenic TPR Works well for sensitive skin Moves with your body throughout use
Blood Restriction Grips at base of shaft Prevents blood from flowing back out Harder erections and stronger orgasms

Who it suits

If you want harder erections and better stamina, this ring will transform your performance. Guys who sometimes lose their hard-on during longer sessions, or who want to impress a partner with extra size and staying power, will love what this TPR ring delivers. Men with sensitive skin that can't handle rigid metal rings will appreciate the soft, flexible material. The 5-inch maximum stretch suits average to larger cocks well.

Skip this ring if you have circulation problems or concerns about blood flow—always check with a doctor if you're unsure. If you're looking for vibration features or a vibrating cock ring, this one won't give you that. For guys who want a straightforward, comfortable blood-restriction ring without added complexity, the BuFu is exactly what you need.

Tested and quality-checked

Every new line we stock is hands-on tested before it ever goes live — we power it up, run it through its functions, and check it for safety and for how it actually performs. Overseas orders get a second function-test right before they ship, so a dead motor never reaches your door. Nothing is used for its intended purpose; it is checked, inspected, and re-boxed. What that means for you is simple: the unit you open is one we already know works. See how we test every product →

How it compares

Stretchy TPR rings like this one flex and adjust to your size, so they're forgiving if your erection changes during a session. Silicone Cock Rings offer similar flexibility and comfort. Rigid metal rings, by contrast, have no give—they deliver firm, unyielding pressure and suit guys who want that solid sensation. Metal won't stretch, so sizing is critical, and some men find the hardness uncomfortable against skin. Choose based on whether you want flexibility and adjustability or a firm, fixed feel.

Please read — safety first. Put the ring on before you are fully erect and use plenty of water-based lubricant so it slides on without pinching. Keep wear time short — no more than 20 minutes while you are getting used to it, and never fall asleep wearing one. Take it off straight away if you feel numbness, coldness, a change in colour, or any pain, as these mean blood flow has been cut off too far. As porous materials can harbour bacteria, use a condom over them for sharing or easy clean-up. This information is general in nature only and is not medical or professional advice, and does not take your personal circumstances into account. Stop use and speak with a qualified medical professional if you have a relevant health condition, take medication for erectile function or blood pressure, or notice pain, numbness, or discolouration that does not settle.

What you can use it with

Pair this cock ring with Couples Intimacy Kits to add shared pleasure to your sessions. A cock ring works beautifully alongside other sex toys and techniques that let both partners enjoy the heightened sensation and extended performance. The ring keeps you harder and more responsive, so any partnered play becomes more satisfying for everyone involved.

More from Demon Kat

Demon Kat specialises in BDSM and enhancement sex toys designed for real-world performance. Demon Kat makes a range of rings, restraints, and enhancement tools built for guys who want results, not just novelty.

Read more before you buy

New to cock rings or want to understand how they work and what to expect? Cock Ring Guide covers the basics and helps you choose the right type for your needs.

Why buy the BuFu Soft and Stretchy Cock Ring by Demon Kat

Keen to get harder and last longer tonight? The BuFu Soft and Stretchy Cock Ring by Demon Kat is a genuine, function-tested and quality-checked product available right now at The Cock Ring Store. Cockringshop ships discreetly and in plain packaging so your order arrives private. Real fit advice, body-safe materials, and plain-packaged shipping. The Cock Ring Store ships discreetly Australia-wide.

Shipping Information & Policy


Cockringshop.com.au ships with Australia Post. We ship from Sydney.

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 1-6 business days after shipping, but may subject to any postage carrier related delays beyond our control.

Free standard shipping on orders shipped within Australia above $200. For orders below $200 standard shipping within Australia is $12.95 and will be added at checkout.

Orders addressed to P.O box, G.P.O box or Parcel Collect will be handled by Australia Post. Extra time should be allocated for these orders.

Shipping Transit Times (Including Free Shipping)

Shipping time refers to the estimated time that it will take to deliver your order after it’s ready to ship (Please note this does not include time to process your order). Shipping time does not commence after your order is put through but begins the moment your order has been processed and is ready to dispatch via the our freight carrier..

1. Major City & Metro Areas (within Australia)

All in stock orders are generally processed on the same day the order was placed on business days for orders received before 12pm. Generally, orders are processed and shipped the same day or next business day.

Orders are typically received 1-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the nearest depot location.

2. Rural Areas (within Australia)

All orders are generally processed on the same day the order was placed on business days before 12pm.

Generally, orders are processed and shipped the same day or next Business day.

Packages below 2kg are usually received 3-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the local Australia Post depot.

International Shipping

The price for international shipping is AU$12.95 for orders equal to or below 0.399kg (399grams), and AU$22.95 for orders with a total weight equal to or above 0.4kg (400 grams).

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 6-30 business days after shipping. 

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from your nearest delivery depot.

Please note in regards to all orders

– These expected delivery dates/times are based on carrier shipping practices, your destination, and the items in your order.

– Expected delivery dates are estimates. Orders can be delayed due to fraud verification or the time of the order being placed. Items that are not regularly stocked cannot be held to the expected delivery dates.

– Orders may be delivered in separate shipments.

– The order cut off times are based on normal Business Hours and exclude weekends and Holidays: Monday – Friday 12 pm

– When your order ships you will receive an email from us with a link to track your order.  If you receive your tracking number before 6 pm (AEST) it may not be updated on the Carrier’s website until that evening.

Due to large amounts of online credit card fraud, all orders are subject to approval by our payment verification department. We will notify you by phone or email should your order be delayed.

Returns Policy


We have a 14 day return policy, which means you have 14 days after receiving your item to request a refund for any defective products.

Returns and exchanges are only available for faulty items, goods not as described, or in some instances, for incorrect sizing.

Due to health and safety regulations, cockringshop.com.au cannot resell any returned or exchanged products.

This policy is in place to prioritise your well-being and ensure that you receive the highest standard of hygiene and quality in all products.

To be eligible for a refund, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.

You’ll also need the receipt or proof of purchase. We do not issue refunds for change of mind or incorrect choice.

Under Australian Consumer Law, we are not obliged to accept returns for “incorrect choice” or “change of mind” so please choose your products carefully.

Any freight and insurance costs to return the item to us are at your expense. This includes the liability for any lost freight – send via registered post.

If your return request is accepted, we will provide you with all instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items

We do not accept returns for any products that have change of mind, damaged products, or for products that have been used or do not have their original packaging.

Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Refunds

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 7 business days.

Please remember it can take some time for your bank or credit card company to process and post the refund

Frequently Asked Questions

How does the Demon Kat BuFu Soft and Stretchy Cock Ring enhance erection quality during penetration?
The TPR construction restricts blood flow from the penis creating firmer erections that last longer during intercourse and masturbation while maintaining comfortable pressure levels.
What makes the Demon Kat BuFu Soft and Stretchy Cock Ring effective for delayed orgasm?
Gentle constriction around the penis base reduces sensitivity allowing men to maintain arousal longer before climax while intensifying orgasmic sensations when ejaculation occurs.
Why is the Demon Kat BuFu Soft and Stretchy Cock Ring better for extended sexual sessions?
Elastic TPR material maintains consistent pressure without cutting circulation while the flat inner surface prevents slipping during vigorous penetration or masturbation movements.
Which wearing positions allow the Demon Kat BuFu Soft and Stretchy Cock Ring maximum enhancement?
Users achieve optimal results wearing it around the penis base alone or doubled around both penis shaft and testicles for increased stimulation intensity.
Does the Demon Kat BuFu Soft and Stretchy Cock Ring work for different penis sizes effectively?
Exceptional stretch capability accommodates penis circumferences from small to large while hypoallergenic properties ensure safe wear for men with sensitive genital skin during sexual activity.

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We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.

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We ship our full range of products worldwide with fast dispatch for orders before 12pm Sydney EST!