Description: Quality Material: This fitness balance ball is made of quality PVC surface and ABS base, ensuring durability and longevity. The 5mm thickened wall of the ball provides extra strength and resistance to pressure.Features: The balance ball is designed with a honeycomb technology feature for stable support without slipping. It also has a thickened layer, increasing protection during workouts.Massage Particles Anti Slip Base: The outer layer of the ball features PVC massage particles, while the ABS wear resistant base ensures stability and prevents slipping on various floor types.Versatile Use: Matching with a shaping pull rope that can be used in conjunction with the steel buckle on the base for upper body muscle training, offering multiple training methods to unlock. Suitable for indoor/outdoor use, gyms, yoga rooms.Design: The anti slip pattern enhances user stability to the maximum extent, allowing you to securely stand, jump, kneel or lie on this balance training equipment. Specification: Material: PVC Size Chart: L: 100cmx43cmx25cm/39.37inchx16.93inchx9.84inch Package Includes: 1 Balance Ball Note: Please allow slightly errors 1-2cm differences due to manual measurement.