Ouch! Silicone Diamond Butt Plug Set Black from Shots Toys. This butt plug is made of silky soft silicone and is tapered at the tip for an easy and comfortable insertion. The base of the plug doubles up as a handy suction cup for some hands free fun or a safety base to keep it safely in place. Package weight 7.23 ounces. Specifications Small plug length 2.1 inches. Medium plug length 2.6 inches. Large plug length 3.3 inches. Made using body safe, phthalate free, latex free materials Silicone. Please use only water based personal lubricant, never Silicone based lubes.