Pump start your length and girth with this easy-to-use device that increases penis blood flow. With a soft silicone ring upon entry, gentle suction begins inside the durable ABS plastic tube at the press of a button. A quick-release valve stops suction immediately when you’ve finished exercising. Measurements on the outside of the pump tube show your progress and clean-up is a snap with parts that easily dismantle. Pump start your way to deeper satisfaction! Penis pump to increase length & girth Suction action gently increases blood flow Measurements on tube to track progress Textured tube for better grip Made from durable ABS plastic Soft silicone entry ring Indicator light when in use Parts dismantle for cleaning Release valve stops suction instantly Insertable length 7in., Insertable diameter 2.30in. Height: 10.55in., Depth: 2.61in., Width: 2.61in. Weight: Under .5 lb. Phthalate & latex free Uses 2 AAA batteries, not included Splashproof