The Crystal Jellies Anal Initiation Kit allows beginners to ease into backdoor play while enjoying each stage of intensity and fullness. Three classic plugs in smooth, body-safe material sized at one-inch intervals offer progressive levels of sensation, while flared bases and a firm yet flexible feel ensure safe and versatile fun. Experienced backdoor enthusiasts can also enjoy this set as the warm-up for a night of more extreme intimate exploration. 3 Sizes for Gradual Training Wide Base for Safe, Comfortable Use Soft, Pliable Material Phthalate-Free, Body-Safe Proudly Made in America Dimensions: Total Length: Small: 3 in. - Med: 4 in. - Large: 4.75 in. Insertable/Usable Length: Small: 2.75 in. - Med: 3.75 in. - Large: 4.5 in. Width/Diameter: Small: 0.75 in. - Med: 1 in. - Large: 1.5 in. Circumference: Small: 3 in. - Med: 3.75 in. - Large: 4.75 in.