25 to 31 Waist A heavy-weight 640D nylon belt over a foam rubber case & covered with 640D nylon-polyester * The lines have hooks for easy holding and control of the gymnast * Heavy-weight D-rings and swivel clips make it easy to assert & control gymnastic activity from somersaults flips to handstands and other gymnastic stunts * A must for spotting and teaching * Nylon guide lines on each side are 5 feet long with grip loops. NOTE: These belts are not to be hung or attached to ceiling or above apparatus. Belts must be used with protective padding.