Anti-burst - made with thick and durable materials, Balance From 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