100 % Silicone with 3 Speed Bullet 4 Graduated Beads with removable bullet 5" Insertable, 4 " Diameter Flexible yet firm for easy insertion Ergonomic safety handle Can be warmed or cooled for a variety of sensations Waterproof Use only with water based Lubricant Clean with soap or toy cleaner and warm water . Top rack dishwasher safe. Boil for 3 min to sterilize. Use only with water-based lubricants.