The Sunny Health & Fitness Premium Yoga Ball Small 55CM - SF-EB02-S is designed for individuals between 4'8" - 5'5" tall and works best with desk heights of 28-30 inches. This versatile ball enhances core strength, posture, and balance while supporting low-impact exercises for all fitness levels. Made from durable PVC, it features anti-burst technology, a non-slip surface, and a 660 LB weight capacity for safe and reliable performance. Perfect for yoga, Pilates, physical therapy, prenatal exercises, and more, it's also ideal for balance training, stretching, strength workouts, cardio, or as an active sitting desk chair to promote better posture and core engagement. Trusted by physical therapists and trainers, it's a great tool for improving stability, flexibility, and endurance. Easy to inflate with the included pump and accessories, the ball comes with clear instructions for hassle-free setup.  

•  SMALL   - 55 cm, ideal for anyone between 4'8" - 5'5"    
• 【STRENGTHEN】The exercise ball is ideal for core strengthening, balance training, & posture improvement. 
• 【VARIETY】Perfect for yoga, Pilates, rehabilitation, & prenatal exercises, it supports low-impact workouts & suits users of all fitness levels. 
• 【DURABLE】Made from long-lasting, odorless PVC, this exercise ball is designed with a non-slip surface. 
• 【HEAVY DUTY】660-pound weight capacity, providing stability and support for diverse exercises. 
• 【COMFORTABLE】 Made from soft, skin-friendly materials, this ball is perfect for stretching, flexibility, strength training, cardio, & pelvic floor exercises.  
• 【TARGETS】It's great for toning, sculpting, or as an active sitting desk chair. 
• 【ANTI-BURST】Featuring 1.6mm thick walls and a high weight capacity, this ball is engineered for durability, delivering reliable performance for all fitness levels. 
• 【PREMIUM】Constructed from premium PVC that adheres to strict chemical safety standards, this ball is both safe and easy to use, ensuring a worry-free fitness experience. 
• 【NON-SLIP SURFACE】 Features a textured exterior for enhanced grip and stability, ensuring safe use during workouts.
• 【INCLUDED TOOLS】 Includes a hand pump, 2 stoppers, and a stopper remover.
• 【HOW TO】Inflate in stages, after the initial inflation, let the ball sit for 2-3 days before topping it off to the desired size.
• 【TRUSTED】Exercise balls are versatile tools for stability, coordination, & core-focused exercises. 
• 【REHAB】Suitable for physical therapy, they support various fitness routines, including core workouts, abs, & rehabilitation.
• 【FREE APP】 Enjoy FREE access to the SunnyFit App with every Sunny Health & Fitness product. 
• 【LEARN】Dive into thousands of trainer-led workouts, explore 10,000+ virtual scenic tours, track progress, challenge others, and much more!
• 【U.S.-BASED】 Sunny Health & Fitness has over 20 years of expertise in delivering high-quality equipment and exceptional service. Supported by a dedicated team and certified trainers, it offers a fitness experience tailored for everyone.