Get Stronger, Smarter, and More Balanced ? All in One Workout Tool! Enhance your fitness routine with the Prism Fitness 55cm Smart Stability Exercise Ball in vibrant yellow. This high-quality self-guided exercise ball features printed workout diagrams directly on the surface, making it perfect for beginners and experienced users alike. Whether you're using it for core strengthening, balance training, yoga, pilates, or rehab, this smart stability ball provides versatile and effective support. Self-Guided Exercises: Printed visuals show you how to work your entire body?no need for a trainer or app. 55cm Size: Ideal for users 5'1" to 5'7" in height. Anti-Burst Construction: Durable and safe for intense workouts. Non-Slip Surface: Ensures secure grip during use. Bright Yellow Color: Adds a pop of energy to your home gym or studio. Perfect For: Home workouts small spaces Core, balance, and flexibility training Rehab, injury prevention, and physical therapy Office or desk chair replacement for better posture What?s Included: (1) 55cm Prism Fitness Smart Stability Ball ? Yellow (1) Air pump for quick and easy inflation Exercise chart printed on the ball This item has never been used. Still wrapped with manufacturer's packaging. I only opened box to see what was included. Smoke free home.