ns novelties aluminium butt plug rainbow setThis trainer set includes two butt plugs in graduated sizes. This allows for gradual progression and getting used to different sizes. The plugs are made from aluminum with a smooth finish. The surface feels cool and warms up during use. The tapered shape allows for easy insertion. The set is suitable for use with all types of lubricant. Quantity: 2Material: aluminum Size S (total): 7. 8 x 3. 2 cm (3. 07 x 1. 26 in)Insertable length S: 6. 9 cm (2. 72