For anyone interested in discovering new anal sensations, whether solo or with a partner, Anal Adventures offers a variety of options. The Silicone Beginner Plug Kit includes three plugs in increasing sizes for novice anal training. They are designed for comfortable and secure insertion. With StayPut technology, these plugs remain securely in place once inserted. Made from UltraSilk smooth Puria platinum-cured silicone, they are body-safe, phthalate-free, fragrance-free, latex-free, and easy to clean. - Pure Platinum Cured Puria Silicone. Ultrasilk Smooth. Water Based, Hybrid Lube Safe - Three Graduating Sizes for Comfortable Training - Stayput Design Keeps Product Securely In Place - Soft, Flexible Shaft Moves With Your Body - Large: 13.3 cm L x 3.2 cm W / Medium: 10.8 cm L x 2.5 cm W / Small: 8.2 cm x 1.9 cm W