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.