1. Material: silicone 2. Weight: about 3 grams/piece 3. Inner diameter: small size is about 11mm, medium size is about 14mm, large size is about 17mm, extra large size is about 21mm 4. Outer diameter: small size is about 17mm, medium size is about 20mm, large size is about 23mm, extra large size is about 27mm 5. Height: about 12mm for small, medium and large size, about 14mm for extra large size 6. Features: silicone material, anti-corrosion and anti-rust, smooth surface, strong friction, effective protection of fishing rods, good elasticity, strong toughness, good ductility, wear resistance and tensile strength, thick and durable, soft and comfortable to touch
