Mack Tuff Vibrating Inflatable Dong Black from Nasstoys of New York. Features: variable speed controller. Suction cup base. Harness compatible. Easy squeeze hand pump. RoHS compliant, Phthalates free materials dong latex, remote control ABS plastic. Sizes inflatable dong length 7.5 inches, insertion length 5.625 inches, shaft diameter 1.5625 inches. Vibrating sex toy requires 2 AA batteries, not included.