Tumbl Trak Red Bungee Ramp with Electric Pump with White Outlined Square, 3-Feet Width x 4-Feet Length The Bungee Ramp is now allowed by USAG for level 1-4 vaulting and can be used for a hand or foot takeoff creating a quick response Bungee technology includes 28 oz. supported vinyl inside and out and bungee cords that are connected internally to offer more response and durability for the mats The Bungee Ramp can take the place of a vault board or mini tramp for young athletes (100 lbs. or less), or as the top of a vault trainer to increase repulsion off the hands The unit is easily inflated with a reversible shop vac or the electric blower that is included with your purchase but as with any inflatable, a small refill may be needed a few times per week ALL BUNGEE PRODUCTS ARE INTENDED FOR INDOOR USE ONLY and if used outside the warranty will be voided Designed for use under the supervision of a trained professional