Made for those that are masters of anal play, this impressive toy is large and in charge. This Doc Johnson TitanMen Master Tool #4 comes in a sleek design, which is a triple-bubble graduated plug that measures 6.5" long with a diameter of 2.6". The tool also features a flat base for comfort. The Master Tool #4 is made of non-phthalate PVC, and features our antibacterial Sil-A-Gel formula. Proudly made in America. Firm outer shell and a soft inner core.