Vibrators.com loves the 20 Function Butt Plug because it is the perfect butt plug! This butt plug is stronger than any other butt plug we've tested, and it features twenty levels of incredible, unrelenting vibration. This butt plug is almost as strong as a Hitachi Magic Wand.To boot, the 20 Function Butt Plug features a tapered shape (so it will stay in during sex and orgasm, and won't get lost inside you). It is made from body-safe, phthalate-free materials. It features an easy push-button control that cycles through all the vibration modes.This butt plug is a medium size: four inches of insertable length, and a 1.4 inch diameter at its widest point. Use it with plenty of water-based lube for the best experience.The 20 Function Butt Plug is rechargeable and comes with a USB cord and AC adapter, as well as a storage pouch and instruction manual. Splash resistant. One year warranty through the manufacturer.