The URBNFit anti-burst pilates ball is made from durable PVC material, supporting up to 600 lbs for safe and reliable use during any workout. Its anti-slip surface ensures a secure grip, making it ideal for yoga, pilates, physical therapy, or as a birthing ball for pregnancy. Easy to inflate with the included dual-action pump, this versatile exercise ball is perfect for improving posture, strengthening your core, and relieving back pain.