About this item 【Quality PVC Material】This Pilates ball is made of quality PVC material that ensures durability and safety during your workouts. Its robust construction can withstand high pressure, making it ideal for intensive exercise routines. 【Easy to Use】Equipped with a sturdy plug and a straw, this 9-inch small exercise ball is easy to inflate and set up. Simply use the straw to inflate to your desired firmness, and then press in the plug. 【Multiple Function】Not just for Pilates, this versatile core ball can be used for a variety of exercises to help improve your balance, coordination, and flexibility. Whether it’s being used between knees, under the back, or to support other targeted exercises, it enhances your workout efficiency and increases the effectiveness of each session. 【Suitable Size】The compact size of this 9-inch workout ball makes it ideal for focusing on core, balance, and posture training. Its small size allows for easy manipulation and storage. 【Widely Applicable】This small yoga ball is useful for deepening stretches, enhancing muscle tone, and boosting core strength. Use it at home, in the studio, or even while traveling to keep your fitness goals on track.