Description: Premium Material: The Balance Ball is made from PVC and PP, which is lightweight, wear resistant, sturdy for long time use, and easy to cleanAnti Slip Design: The anti slip texture enhances user stability to the maximum extent, allowing you to securely stand, jump, kneel or lie on this balance training equipmentFeature: With a strong load capacity, it is very convenient to carry and store in the gym, at home, or in the office. With a size of 58 cm/22.83 inch, this half round yoga ball is great for adult users looking to enhance their fitness routine with versatile exercisesVersatile: Half Ball Balance Trainer is fit for push ups, squats, sit ups, mountain climbing exercises, lunges, planks, and many other workouts to make full use of your home fitness routineComprehensive Package: The package includes everything you need to get started,1 balance ball, 1 pump for easy inflation, 1 air puller tool, 2 air stoppers, and 2 resistance bands for added workout options Specification: Material: PVC, PP Size Chart: 58cm/22.83inch Package Includes: 1 Balance Ball 1 Pump 1 Air Puller Tool2 Air Stoppers2 Resistance Bands Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.