The BOSU Exercise Ball in Grey, 55 cm, offers a reliable and versatile workout experience. Crafted with burst-resistant material, it ensures durability and safety during intense sessions. The added textured grip prevents slipping, making it ideal for various exercises. Made in the USA, this ball reflects BOSU's 20-year legacy of fitness innovation. Available in two sizes, it caters to diverse fitness needs, providing a stable and effective workout tool for all levels.