Superior Airtightness & Slow Leakage: This 9-inch Pilates ball features a unique needle-hole valve design for enhanced airtightness, ensuring minimal air loss over time. Crafted with premium PVC, it maintains firmness for months, perfect for daily core ball workouts or physical therapy without frequent reinflation. Anti-Burst & Non-Slip Safety: Engineered with anti-burst PVC and a textured surface, this small exercise ball prioritizes safety during intense routines. Its non-slip grip ensures stability during yoga poses, pelvic floor exercises, or dynamic stretches, reducing injury risks. Includes Needle Pump & Easy Storage: A portable needle pump is included for quick inflation/deflation. Deflate effortlessly by inserting the needle into the micro-valve, making this mini yoga ball travel-friendly. Store it in gym bags or suitcases—ideal for on-the-go fitness. Compact 9-Inch Multi-Functional Design: The compact size fits perfectly between knees, thighs, or hands for targeted toning. Use it for Pilates, spinal rehab, or abdominal sculpting. Lightweight yet durable, it’s a versatile tool for all-age users seeking balance and flexibility. Perfect for Home/Gym & All Fitness Levels: Whether you’re easing back pain, improving posture, or building strength, this core ball adapts to your needs. Its 9-inch size and gentle texture suit beginners to pros.