Butt plug that is open at both ends. With a base. A vibrator, dildo or finger etc. can be inserted into the plug´s opening. It is slightly wavy and has grooves on the shaft. Adjusts to body temperature. Very flexible. 10.7 cm long, insertion depth 8.9 cm, Ø max. 5 cm. Material: silicone, phthalate-free according to EU Regulation REACH.