pvc yoga thickened anti-burst fitness balls explosion-proof exercise home gym pilates equipment balance ball 45cm/55cm/65cm/75cm/85cm

the high-quality polyvinyl chloride (pvc) material and innovative anti-burst system make the training ball durable and should prevent bursting. please note: the anti-burst system has its limits. always make sure that the ball is undamaged before and during use. there should be no sharp objects on the ground or nearby that could damage the material..syi