Tush Teaser Butt Plug Blue is a super slim soft jelly butt plug with removable micro bullet is powerful quiet and stimulating. Vibrating sex toy requires 2 AA batteries, not included. Do not leave batteries in the vibrator between uses. Phthalate free, non-toxic materials PVC. Probe measures 3.5 inches long by 1 inch wide. Micro Bullet Vibrator measures 3 inches long by .35 inch. A water based lubricant is recommended.