The Air Trak is an inflated tumbling strip designed for use in gymnastics, cheerleading and general fitness * Its advantages include versatility, portability and small storage requirements * Each unit runs from a high output, constant flow blower which is included and takes under 3 minutes to inflate * The Air Traks are 9 ft wide and 24 in high; made with 18 oz. final on the top and heavy duty 22 oz. vinyl on the bottom