BumBum Silicone Buddy Rectal Vibe from XR Brands. Small, charming, and discreet. The BumBum Buddy consists of premium silicone and tapers in the tip so that you can sense the vibration through the piece. The BumBum Buddy is semi-flexible and also the flared base makes removal easy. This toy is waterproof, too, so that you can have you ever fun within the shower or health spa, too. Show up heat with this particular buzzing butt plug tonight! Measurements: 4.25 inches overall length, 3 inch insertable length, 1.57 inches maximum insertable diameter. Materials: Silicone, Abs plastic, fiberglass. Color: Black. Note: Waterproof, Requires 1 AAA battery, not incorporated