The kybun mat is an elastic springy mat like no other. Its reactive rebound-effect allows the foot to sink in deep and springs straight back to its original position. The kybun mat encourages the body into constant, minute movements to maintain balance and posture. The rebound-effect causes the muscles to tense and relax simultaneously, exercising the muscles in your feet, legs and trunk. The kybun mat improves your balance, coordination and all-round fitness without taking up any extra time at all.