The Anal Trainer Kit includes three firm. pliable butt plugs that are perfect for all anal enthusiasts. Made from body-safe and phthalate-free PVC. these durable plugs are tapered for comfort and ease-of-use. The flanged base provides secure placement. The material is unscented. too. Small: 4 x 1 (10.25 cm. x 2.5 cm.) Medium: 5 x 1.25 (12.75 cm. x 3.25 cm.) Large: 6 x 1.5 (15.25 cm. x 3.75 cm.)