The quality of the XLR8™ Gym Ball is second to none. Ideal for: * Fitness * Toning * Strengthening * Stretching * Rehabilitation * Back Care * Balance * Sports Training and now the Swissball of choice for elite athletes both in NZ and Australia. The XLR8™ Swissball is endorsed by the Victorian Institute of Sport and the New Zealand Academy of Sport, Central region and used by the athletes in their physical preparation and high performance programs. Tested and certified by an independent technical service to a 300kg (661lb) antiburst rating.