Anti-Burst - Made with thick and durable materials, BalanceFrom puts your safety as a top priority during manufacturing. Rated up to 3000 poundsSlip resistant - We use high quality materials which provides an excellent slip resistant experience while caring for your safetyEasy to clean - Our fitness ball is easy to clean with just a soft damp cloth. Most important, our fitness ball is phthalates free and doesn't contain any heavy metal elementsExtras - A free foot-pump is included! A free starter kit is included! Size option - 55 cm, 65 cm, or 75cmWarranty - All BalanceFrom products come with a 2-year warranty and 100% BalanceFrom Satisfaction Guarantee to make your purchase worry free. Simply contact us or your vendor if you have any questions