This butt plug will expand those horizons you never even thought you had! Sure to take you to a higher plane! 3 speed powerful vibrator sends thrills as you use the hand pump to expand the whole insertable plug! Quick release valve allows instant deflation. 5.5" long, 4" insertable. 1.25" thick (4" around) at the minimum and 1.5" thick (5" around) at the maximum uninflated thickness. Uses 2 "AA" batteries (not included).