Realistic non-vibrating probe features a smaller size head followed by a veined straight shaft. Suction cup base makes this item great for both solo use and harness compatible with a stretchy o-ring not a metal one. Metal may damage the dildo. Cock with Suction Cup Base measures 6 inches in length by 1.83 inches at the thickest diameter. A water based lubricant is recommended. Always clean before and after use. Cock is made using body safe, phthalate free, non-toxic materials PVC. Package type clam shell with insert card. Cock 8 inches with Suction Cup Black from Si Novelties.