Leg weights Features:SUPER THIN leg weights ?Hollow ,need to fill in special steel plate, Adjustable?Material: super durable oxford and hook strength Ribbon .Can fill in at most 48 pieces special steel plates ,lets it weight max 11kg (24lbs)Size: 25.5cm x 34.5cm/10.0"x 13.6"Package Include:1pair x Adjustable leg wrist weights ankle exercise fitness boxing training 1-57lbs only (without special steel plate)