Pure Silicone anal training kit with Satin FinishTapered for comfort and fit3 graduated sizesFlanged base with sturdy suction cupHygienically superior and body safe SiliconeDimensions:Large: 4.5 x 1.25 in.Medium: 3.75 x 1 in.Small: 2.75 x 0.75 in.Package: 2.25 x 5.75 x 8.25 in.