The TitanMen collection from Doc Johnson presents the Ass Master. Designed for ass play, this butt plug is 9 long and has a diameter 4.5. It will certainly fill you up! The plugs are dual density with an indestructible outer skin and cushy interior fill, and are made with our antibacterial, Sil-A-Gel formula. Black. Non-phthalate PVC and proudly made in America.