ALL ROUND - The mini exercise ball can effectively stimulate your abdominal and inner thighs muscles, increase your flexiblity, strength and endurance! Can add instability and resistance to do a variety of exercises, and very suitable for relaxation of the body. Most importantly, it makes your exercise full of freshness and fun. PROFESSIONAL DESIGN - Made of soft, flexible, durable and skin-friendly PVC, can remain elastic and squishy even fully inflated. Special film attached to the surface, make Goonidy Pilates Ball smooth but non-slip, and can withstand 700lbs, not burst even if pierced by a sharp object. EASY TO USE - The Balance Ball can be easily infalted with included tube and breath, pump not required. And a folded size as iphone 12 mini makes the ball convenient to carry and store. MULTIPLE USAGE - Soft and skin-friendly materials, plus can withstand 700lbs, make Goonidy Small Exercise Ball suitable for yoga, pilates, ballet, barre, physical therapy, core strength, balance, flexibility, toning and sculpting, fitnness, pregnancy birthing, bouncing, beach and playground play and most rigorous training and workout.