These Doc Johnson Radiant Gems anal trainer kits are the colorful solution for anal play beginners and beautiful additions to any connoisseurs collection! With a small and medium plug, the Radiant Gems Anal Trainer Kit is the perfect fit! The small plug has a 4" insertable length with a 0.88" diameter, the large plug has a 5" insertable length with a 1.6" diameter. These plugs feature a wide flared base for safe anal play and are made of non-phthalate body safe material including Doc Johnson's exclusive Sil-A-Gel formula. Proudly made in America. Add some sparkle to your toy box today! Small: Total Length 4.46", Usable Length 4", Diameter .88" Large: Total Length 5.5", Usable Length 5", Diameter 1.6". Made of PVC.