Best Exercise Ball for Fitness 65cm Extra-Thick Anti-Burst Eco-Friendly Pump Included. Satisfaction Guaranteed EXTRA-THICK, PREMIUM QUALITY - Unlike inferior gym balls that are too thin and flimsy, making you constantly worry if it will pop, our high quality yoga ball has extra-thick walls providing maximum resistance and durability - perfect for toning your abs, thighs, arms and more. ANTI-SLIP TEXTURE -- How annoying is it to have a ball that slips and slides around while you're trying to exercise? Our ball uses an anti-slip texture to keep it securely in place during your workout. NON-TOXIC & PHTHALATE FREE - Our premium exercise ball uses only the highest quality material. Your new ball is made from 100% non-toxic eco-Friendly PVC. ADD VARIETY AND FUN TO YOUR WORKOUT -- An exercise ball, also known as a physioball, swiss ball, yoga ball, stability ball or gym ball -- has a variety of unique and fun uses for all ages. Popular for strengthening your core (abs and back), improving posture and balance, strength training, and more. Perfect for Physical Therapy. FANATICAL CUSTOMER SERVICE & 100% LIFETIME GUARANTEE - We run a small, family owned business and we take pride in offering the best customer service experience possible, always going above and beyond and standing behind our products 110% to earn your trust and business. We are here for you!