Easy Riders Dual Density Silicone Dong with Balls from Curve Toys. Dual Density Silicone Dong features bendable, flexible, soft realistic dong. Phallic head and sculpted veins feel like the real thing. Strong suction cup sticks to any flat surface. Harness compatible. Can be warmed or cooled in water for a variety of sensations. Waterproof, non-vibrating dildo. Use only with water based lubricant. Materials 100% Silicone. Dimensions 6 inches. Care clean with soap or toy cleaner and warm water. Top rack dishwasher safe. Boil for 3 minutes to sterilize. Use only with water based lubricants.