Made to ease into anal play this toy is just the right size. The popular Trainer Tool 4 comes in a sleek triple-bubble graduated design that measures 5-inches long with a diameter of 2-inches. It also features a flat base for comfort. The Trainer Tool 4 is made of non-phthalate PVC and features our antibacterial Sil-A-Gel Formula. Anal stimulation. Clean before and after each use with soap and warm water or toy cleaner.