66fit Slam Balls - Black - 5kg, 10kg & 15kg Joint The following seals of approval

The following seals of approval and test results confirm this

It is made of dual laminated neoprene interior and exterior with jersey

It can also be used for studying the morphology of vertebral column and the construction of joints

Contents: 2 x Achilles/ Calf Stretchers

and the non-slip surface provides a secure grip during use

66fit Slam Balls - Black - 5kg, 10kg & 15kg Joint The following seals of approval66fit Slam Balls are weighted balls that are designed to be slammed into a wall or the floor. The no bounce design enables the user to build explosive strength. Features Inner Material: Sand Iron Mix Outer Material: PVC Weight: 5kg, 10kg and 15kg Colour: Black Description Ideal for Crossfit, boxing, core strengthening and general fitness 66fit slam balls are ideal for building up explosive strength, speed, stamina, and improving coordination. So why