Yes4All Yoga Exercise Ball &ndash; Multi Sizes: 55cm / 65cm / 75cm &ndash; Anti Burst & Extra Thick &ndash; Support 2000 lbs MULTI-PURPOSE HOME GYM EQUIPMENT: Offers great stability and rigidity for most of stretching and toning workouts. Great use for Cardio, Yoga/Pilates, Balance & Stability Training, Dynamic Stretching, Exercises for An Optimal Pregnancy & Labor , Alternative Sitting Chair at Office Desk. In term of a good posture, Yoga Ball is also used for targeting the abs, back, and pelvis muscles through most technical moves ANTI-BURST THICK VINYL  RATING OF 2000-LBS: Our Fitness Ball provides maximum safety with standardized Vinyl shell which has been tested for its durability and anti-burst feature even when touching sharp objects. Ultra-high anti-burst rating of 2000 lbs makes sure there is no sudden explosion during use SLIP-RESISTANT RIDGES SURFACE: Features textured surface allows you to grip the ball easily and perform free movements like lying, sitting, holding, and bouncing without worrying about slipping. No more interruptions and extra-safety! MULTIPLE SIZES (55, 65, 75CM): Select the proper ball size between 55, 65, or 75cm for maximizing your muscle engagement and for different purposes of use such as exercising and desk chair. Please see our sizing chart to select the proper size 1 YEAR WARR  60 DAY RETURN  PLACE YOUR ORDER NOW: Make Yes4All Yoga Ball as an ideal companion. Add it to cart now, or if you dont like it, contact us and have money back within 60 days of purchase