Winy YF balance cushion yoga mat fitness soft cushions balance balance balance disc Trainer Name: Fitness Soft upholstered balance balance balance mat yoga mats cushion balance training device [specification] large 34cm diameter, load: 300KG Material: natural Latex Color: Grey Blue load 300kg use:? Use: balance sheet is widely used in children's development, adult sports training, fitness and rehabilitation after injury. They can be used alone or in conjunction with other equipment. By mimicking a variety of sports, improve lower extremity strength. Improve balance. Strengthen the body's reaction speed and adaptability, while developing hand - foot coordination - eye.