No Matter What The Sport Or Fitness Goal, Balance Is Key. And The Gym Balance Ball With Resistance Strap And Pump Gives You The Crucial Benefits That Come With Better Balance. The Half Sphere Gym Balance Ball Is Manufactured By Randy & Travis Machinery, A Premier Designer Of Rugged Outdoor And Sports Equipment. This Ball Is Gym Tough With A Special Anti Skid Surface, And A Free Air Pump Is Included So You'Re Never At Less Than Optimal Inflation. Also Included Is A Resistance Strap To Add Even More Versatility To Your Workout Options. From Squats To Push Ups To Planks, You'Ll Build Core Stability, Strength And Body Awareness. Buy Your Gym Balance Ball With Resistance Strap And Pump Today. Features Of The Gym Balance Ball With Resistance Strap And Pump: Balance Ball For Core Stabilisation And Balance Training Tough, Anti Skid Surface Dimensions: 65.5 X 65.5 X 29Cm Maximum Weight Of User: 180Kg Resistance Strap For More Workout Versatility Free Air Pump Is Included