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. Features Butt Plug Made in the USA PVC Non-Phthalate Anti-Bacterial Sil-A-Gel Formula Titanmen Collection.