COLT Medium Pumper Plug Pliable and durable Silicone inflatable plug with superior suction cup base. Easy squeeze bulb. Quick air release valve. Safe and pure for body and pleasure. Made using phthalate free, non-toxic materials: Silicone probe, hose, bulb, ABS plastic release valve. Plug measures 3.75 inches long by 1.25 inches wide before inflating. Bulk Weight: 5.1 ounces.