POWER SYSTEMS BRAND. Large 13" diameter inflatable dome creates more instability and difficulty. This plus-sized step can be used flat side up or pebble side up, depending on skill level or application. Train using 1 step or 2 for exercise variety. Textured surface helps keep feet from slipping during exercise. Burst resistant up to 300 lbs. Soft PVC. Blue. 13" diam. x 81/2" H. *Ships inflated. Sold individually. Air pumps sold separately.
