The Colt Knocker is a large vibrating butt plug made with firm yet flexible PVC material, which transmits vibrations for orgasmic results. The embedded motor is located in the tip to ensure you feel every erotic quiver. Mounted on a sturdy suction-cup base that adheres to any flat surface, with an easy-to-use twist ring base that turns the vibrations on and up. The teardrop shaped body is tipped in a three-lobed detail for extra pleasure when inserting. Compatible with all lubricants for an amazing feel. Color: Grey Type: Vibrating Butt Plug Material: PVC Length: 5" Width: 2 1/4" Batteries: 2 AA Special Features: Multi-Speed, Suction Cup Base ?5? x 2.25?/13 cm x 6 cm