Ultraballs Cockring by OxBalls

Ultraballs Cockring by OxBalls is a stretchy penis ring made from flexible FLEX-TPR material that grips your shaft and testicles to improve erections and create a larger bulge. Each pack contains two rings with dual nodules underneath for targeted pressure. It suits men seeking firmer, longer-lasting erections during solo or partnered sex.

What you're getting

Ultraballs Cockring by OxBalls is a two-pack of stretchy penis rings engineered to maintain erection hardness and improve visual bulge through constriction and targeted stimulation. The rings stretch to fit different shaft sizes without adjustment, meaning there is no guesswork about fit. The material is FLEX-TPR: soft enough to feel comfortable against skin, firm enough to grip without losing tension over hours of wear. Each ring features dual nodules moulded into the underside, positioned to apply pressure exactly where blood flow matters most—at the base of your penis and around your testicles simultaneously.

Unlike fixed metal or rigid plastic rings, these stretchy cock rings deliver consistent pressure without sharp edges or adjustment mechanisms. The two-pack format means you can keep one at home and carry one in your bag, or have a backup ready whenever you need it. OxBalls built this design to stay effective during extended sessions without cutting off circulation, so you stay hard and comfortable.

The highlights

• Dual nodule grip: Blubbery pressure points underneath apply force at the penis shaft and scrotum base simultaneously, keeping you harder for longer.
• Stretchy fit for all sizes: FLEX-TPR material stretches to accommodate different shaft thicknesses, so one size genuinely works without painful tightness or slipping.
• Noticeable bulge improvement: The constriction pushes your package upward and outward, creating a visibly larger appearance during arousal.
• Two rings included: Double the quantity means double the convenience—keep backups on hand or maintain one for different settings.
• Comfortable for extended wear: Material is soft on the outside yet grips firmly on the inside, allowing hours of use without numbness or irritation.

Specs in full

• Material composition: FLEX-TPR (flexible thermoplastic rubber), non-toxic, phthalate-free, latex-free
• Ring thickness: 0.75 inches (1.91 cm) across the band
• Inner circumference: 3 inches (7.62 cm) at resting state
• Outer circumference: 6.5 inches (16.51 cm) when fully stretched
• Weight: Approximately 25 grams per ring
• Quantity per pack: Two rings
• Closure method: Stretches on; no buckles, snaps, or clasps
• Lubricant compatibility: Water-based lubricants recommended for easier application
• Box contents: Two Ultraballs Cockrings, basic care card

How to size and wear a stretchy cock ring

Stretchy rings work differently from adjustable or fixed designs because they rely on your natural size to create the right pressure. Before putting the ring on, apply a small amount of water-based lubricant to your penis and scrotum—this eases application and prevents skin pinching. Gently stretch the ring and slide it over your glans (head), then carefully work it down your shaft and behind your testicles so the nodules sit underneath, one side gripping the base of your penis and the other cradling your scrotum. You should feel firm, even pressure without pain or numbness.

The ring works best when you are already aroused or becoming aroused, as blood flow makes your penis larger and locks the ring firmly in place. Unlike silicone cock rings, which sometimes slip on softer tissue, these FLEX-TPR nodules grip actively, so repositioning is rarely needed once fitted. Wear time typically ranges from 20 minutes to several hours depending on individual comfort. Remove the ring by stretching it gently and sliding it back over your glans; if you experience any numbness or colour changes in your penis or scrotum, remove it immediately and allow normal circulation to return.

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Care and storage

Wash the rings with warm water and mild soap after each use, then dry thoroughly with a soft cloth before storage. Store in a cool, dry place away from direct sunlight and heat sources, which can degrade FLEX-TPR over time. Keep them separate from other toys to prevent sticking. Do not leave the rings stretched for extended periods when not in use, as this can affect the material's elasticity. With proper care, these rings remain effective for months of regular use.

Want to know more?

Stretchy cock rings work by constricting blood flow to maintain harder erections and improve visual size through pressure and grip. Learn more about how different ring designs work in our blog post on Magnetic Cock Rings, which explores alternative approaches to erection improvement and pleasure.

What to expect

First-time users often report that the dual nodules feel noticeably different from basic rings because the pressure points actively grip rather than simply constrict. You'll feel the grip increase as your erection firms, which creates a feedback loop many find psychologically intense. Application takes practice—lubricant helps, and learning to stretch the ring gently without yanking prevents pinching. Most people get the technique right within two or three attempts.

Comfort depends on your individual size and how far back you position the ring. If you wear it too far forward on your shaft, the nodules sit in the wrong spot and grip unevenly. Positioning it so the nodules sit at the base and underneath the scrotum delivers the grip the design was built for. Wear time typically ranges from 20 minutes during your first session to several hours once you're accustomed to the sensation.

The material requires no charging, batteries, or maintenance—just wash and dry after use. FLEX-TPR does eventually soften and lose elasticity with heavy use over many months, but proper storage away from heat extends lifespan significantly. These rings are straightforward to clean compared to devices with seams or motors, so upkeep is minimal.

Men who struggle with rings that slip tend to succeed with these because the nodules grip actively. Those who prefer a firmer, less squeezable feel sometimes find FLEX-TPR too soft, even though it grips effectively. The stretchy design suits most shaft sizes without guesswork, so sizing complaints are rare—fit issues usually come down to positioning rather than the ring itself being the wrong size.

How it compares

Why it earns its place

Add the Ultraballs Cockring by OxBalls to your collection when you want proven erection improvement without complexity or adjustment hassle. The two-pack format means real convenience—one for home, one for anywhere else—and the FLEX-TPR material delivers comfort and grip in equal measure. Order it from Malechastity.com.au with discreet Australia-wide delivery and experience harder erections and a noticeably larger bulge backed by OxBalls' reputation for well-made, reliable toys. Product Advice Whenever You Need It.