Crystal Cote Silicone Probe Black. Butt Plug comes with a dual-cote, pliable, hygienically superior probes with sturdy suction base. Probe measures 3.5 inches long by 1 inch wide. Safe and pure for body and pleasure. Made using phthalate free, non-toxic materials PVC. Bulk weight 2.2 ounces. Always clean before and after use. A water based lubricant is recommended.