These balls are made for high-velocity exercises such as wall balls. The soft material combined with the large dimensions makes these balls easier to catch whilst the absorbent material cushions any impact on the body. Each weight is of the same dimensions. This removes the need to alter the way in which an exercise is performed when using a different weight. Perfect for any gym or box.This item is not suitable for slamming. Specifications: Uses: Conditioning, Functional Fitness, Classes Size: 36 cm Material: Coated Vinyl Seams: Double Stitched Colour: Red and Black These balls are made for high-velocity exercises such as wall balls. SPECIFICATION: Brand UKSF Usage Home Use, Commercial Use Condition Brand New Warranty 12 Month Warranty