Bearing: 200kg Size:S :25CM About 100g,L:65CM About 800g Material:Environmentally friendly PVC Package Includes:1pc PVC Exercise Gym Yoga Ball,1pc Air Pump,1pc Inflatable tube, 1pc gas plug, 1pc gas extraction Color:Blue,Pink Type:Yoga Ball Features: Made with thick and durable PVC materials, easy to clean and carry Anti-slip design makes training safe and increases exercise efficiency Suitable for pilates, yoga, weight training and other balance sports Can build muscles strength, improve body health, and shape a perfect figure Humanized design, fashionable and durable Note: The product that you purchase is in the state of compression (not a ball shape), you need an additional air pump to inflate it to the effect as it shows in our picture.(Air pump included) Adjust size acording person hardness requst,No not over it Max size.