[How to Choose]ANVICTOX balance pads are available in two sizes: the L size measures 15.8" × 13.2" × 2" (L×W×H), while the XL size measures 19.8" × 15.7" × 2.4" (L×W×H), with the XL pad offering 102 sq in more surface area than the L pad. The compact L pad is portable and suitable for children or petite adults for simple exercises, chair cushions, or daily use; conversely, the XL pads larger surface area accommodates taller adults, versatile training needs, and rehabilitation therapy. Therefore, choose based on your specific requirements or consult a physical therapist for personalized advice. [Premium Material]The balance pad is made of TPE.TPE's elasticity and resilience can provide good balance and stability, while also offering protection and support to the body. In addition, TPE material has good wear resistance and weather resistance, making it suitable for use in different environments, and easy to clean and maintain. [Extra Larger Size & Versati