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 4.5 inches long with a diameter of 2 inches, with a flat base for comfort! The Trainer Tool #4 is made of phthalate-free PVC, and features our antibacterial Sil-A-Gel formula. Proudly Made in America.