Ancheer Adjustable Folding Gym Weight Bench with Speed Ball Dumbbell USSTOCK , it is assemble portable Sit up bench, Ideal for your power training exercising at your home or in the gym Spring speed ball could exercise your coordination and reaction velocity Fitness exercise and power traning, Initially you can try five times in one minute, then gradually increase until it reaches about 50 times, keep do it you will own enviable abs Fitness exercise and power traning, Initially you can try five times in one minute, then gradually increase until it reaches about 50 times, keep do it you will own enviable abs Ab bench leg height is adjustable, fit for 100 cm-190 cm/3.2"-6.2"; decline bench made of high quality steel and thick pillow, max weight 200 kg/440 lbs 2 YEARS QUALITY WARRANTY