product description 1. All-round: 9 inch fitness ball is one of the essential fitness ball accessories. This bending ball is a Pilates ball for exercise, unlike other 9" Pilates balls. Pilates ball 9" strengthens key muscles. Core ball yoga enhances core fitness. Small yoga ball improves endurance flexibility. Getty balls are used for rehabilitation enhancement. Mini Yoga Balls are used to tone up your workout program and relieve back pain and tension at work. 2. The small Pilates ball is made of soft low odor flex. The small fitness ball for the core is made of durable PVC. This 9" diameter blast and skid ball is designed to remain bouncy and soft when fully inflated. Slightly sticky for smoothness, for physiotherapy exercises and exercises. 3.Easy to inflate and store: The 9-inch yoga ball can be easily inflated through the included tube, no need for several breathing pumps. The mini diameter makes the inflatable exercise ball easy to carry. Great store of exercise balls for the gym A store of exercise balls and accessories for home workouts. Easy to carry when traveling. Gym balls are a great option for kids playing kick or playground balls outdoors. 4. Physiotherapists and trainers recommend mini exercise balls for good reason as great for helping people improve stability and coordination. Stability ball for exercise maximizes strength and stamina. The small yoga ball strengthens the core muscles. Meet the needs of physical therapy. Abs exercise ball to strengthen physique. A small exercise ball between the knees promotes blood circulation. Core ball beach bodies are used in physical therapy programs.