Boneyard Silicone Ring Cock Rings Full Range Kit

• Five silicone rings in one kit, from 30mm up to 50mm
• Made from 100% medical grade silicone with a soft-touch finish
• Non-roll design, and the rings are suited to stacking
• Durable 3x stretch design for a snug fit
• Described as hypoallergenic and safe with all lubricants

The Full Range Kit from Boneyard gives you five black silicone cock rings in graduated sizes: 30mm, 35mm, 40mm, 45mm and 50mm. The rings are non-latex with a non-roll design, and the supplier describes them as non-irritating and compatible with sensitive skin.