Crystal Jellies Anal Trainer Kit. Each sold separately. Explore your backdoor with confidence! With a small and large plug, the Crystal Jellies Anal Trainer Kit is the perfect fit for anal play beginners. The small plug is 3.5 inches in diameter with 3.75 inches insertable length, the large plug is 4.25 inches in diameter with 4.75 inches insertable length. These plugs feature a wide flared base for safe and comfortable anal play. Crystal Jellies are made from non-phthalate body safe material, which includes Doc's antibacterial Sil-A-Gel formula. Details: Circumference Small 3 inches, Large 4.25 inches. Dimensions: Small: Total Length 4.36 inches, Usable Length 3.79 inches, Diameter 1.13 inches. Large: Total Length 5.7 inches, Usable Length 4.9 inches, Diameter 1.35 inches. Insertable Length Small Butt Plug 3.79 inches, Large Butt Plug 4.9 inches. A water based lubricant is recommended. Always clean before and after use. Category: Anal Toy, Butt Plugs, Anal Trainer Kit, Small Butt PLug, Large Butt Plug. Crystal Jellies Anal Trainer Kit Fuchsia or Purple from Doc Johnson Novelties. Proudly made in America.