AEROMAT Therapy Peanut Burst Resistance Ball features a unique burst resistance design that makes it ideal for physical therapy and rehabilitation and great for children and seniors. The ball's design provides easy direction controlling, rolling back and forth or in saddle position to relieve muscle tension. Made with latex-free PVC. Pump sold separately. Replacement air plug available for purchase. Max weight limit: 300 lbs. Peanut Ball size (in centimeters) indicates the diameter of both lobes, in other words, it indicates the peanut ball vertical height when laid down horizontally. Dimensions: 60 cm diameter, 109 cm length and about 52 cm in height. AeroMat is one of the leading lifestyle brands in fitness products and accessories, with a mission of making fitness and well-being accessible to all. The products are crafted with durable natural materials with fine attention to detail.