Stretch-Hard Silicone Donut 46 mm.
Silicone ring, in a material both stretchy and firm, with inner diameter of 46 mm.
It's best to avoid silicone lubricants with silicone toys as it weakens the toy. Suitable for use with water-based lubricants.
Thickness ring diam: 7 mm./14 mm.
Diam exterior ring: 60 mm.