The spikeball is made of firm solid PVC. They will not bend, and they can withstand any boy weight. The high density massage ball reaches deeper into the fascia for tension release.

Our therapy ball is made of TPE which can be 100% recycled, and has outstanding deformation resistance, aging resistance. More anti-slip than PVC or PU exercise balls when sweating.

Our yoga masssage ball is made of eco-friendly silicone material, so you can rest assured to use it. This fitness ball is the best choice for your yoga exercise.