Cortex Fitness Ball 55cm Grey "Plyo Boxes" Material: Natural Latex Rubber –

Material: Natural Latex Rubber – will stretch 150% of length

Learn how to use the Armaid below:

Smart Carbon Proven blend of materials with integrated carbon fibers

Stretches and movements may also involve hanging

Cortex Fitness Ball 55cm Grey "Plyo Boxes" Material: Natural Latex Rubber –Our Cortex 55cm fitness balls are extremely versatile and inexpensive exercise tools that can be used to work out nearly every muscle group in the body. They can be used to improve your posture, core strength and overall balance and stability. Lifespan Fitness balls are made of quality anti burst, UV resistant material and are guaranteed to last. Our fitness balls, come with a complimentary pump, so you dont have to go through the hassle of obtaining