b-Vibe Flex Ring Delta Silicone Cock Ring – Blue

The b-Vibe Flex Ring Delta is a soft, stretchy cock ring in blue liquid silicone with a contoured inner shape that spreads pressure evenly around the base. It's made for people who find standard round rings pinch or dig in, and it suits anyone who wants a secure, comfortable fit for longer sessions, worn around the shaft or the shaft and balls.

Why the inner contour matters

A round band presses hardest at a few points as it stretches, which is why some rings start to feel tight after a few minutes. b-Vibe's answer on the Delta is a shaped inner contour: angled faces inside the ring that spread the pressure more evenly around the base. The outer edges look geometric, but the hand-poured liquid silicone is so soft that they feel pillowy rather than hard. The surface is seamless and smooth, so there's no moulding line to rub.

Measuring for the right cock ring fit

The Delta has a 26.5 mm inner diameter and an outer size of 49.5 x 49.5 mm. To check fit, wrap a soft tape or strip of paper around the base of your penis while soft and note the circumference, then divide by 3.14 for the diameter. The ring's resting diameter works out at around 83 mm circumference, and the silicone has a lot of elasticity, so it expands well beyond that. If your soft measurement is close to or below that figure, it should feel secure; if you measure far above it, you may find it too firm once aroused. People between sizes often find the Delta's softness forgiving, because the silicone gives instead of digging in. A good cock ring fit feels snug and held, never pinching.

Wearing it around the shaft or behind the balls

Start soft or semi-hard and add a little water-based lube to the inside. For shaft-only wear, stretch the ring and slide it to the base. To wear it around the shaft and testicles, ease one testicle through, then the other, and finally the shaft. That placement holds more firmly and adds a lifted feeling some people enjoy. Check no skin or hair is pinched. b-Vibe says the Delta is made for extended wear, but the usual guide still applies: about 20 to 30 minutes at a time, and take it off straight away if anything feels cold, numb or painful.

Care and durability

Liquid silicone is non-porous, and the seamless finish leaves nowhere for lube to collect. Wash the ring in warm, soapy water or with a toy cleaner, rinse and air-dry. Use water-based lube only. The material is made to handle repeated stretching, and b-Vibe backs the Delta with a one-year warranty. Store it flat in a pouch, away from other silicone toys, heat and direct sunlight, and inspect it for small tears every so often; replace it if you find one.

It's a good fit for anyone who has found other rings too stiff, and for people who want a ring they can wear comfortably during a longer session with a partner.

Specifications

• Brand: b-Vibe, Flex Ring Delta
• Type: stretchy cock ring with contoured inner profile
• Material: hand-poured ultra-soft liquid silicone
• Size: 49.5 mm x 49.5 mm; inner diameter 26.5 mm
• Finish: seamless and smooth
• Warranty: one year (b-Vibe)
• Colour: blue

Browse the b-Vibe range and our cock rings, or use the cock ring size guide.