HUMGFENG Exercise Ball - Fitness & Workout Tune up - Stability Balance Body Weight Yoga Ball 65cm,75cm with Pump - Strengthen Your Total Core *PVC MATERIAL. Made with none toxic material. Safe for kids and pregnant women to use. *EASY TO PUMP UP. Extra plugs and pump cut pump up time 15%. *FUNCTIONAL EXERCISING EQUIPMENT. Used for Pilates, training core strength and achieving physical perfection. *ANTI-BUST BALL. 2mm's thickening of layers reinforce load-bearing capacity *100% MONEY BACK GUARANTEE makes these yoga balls your #1 choice for an excellent no-risk purchase.