The Gym Ball 65cm is a versatile stability ball suitable for core training, balance work, stretching, and rehabilitation exercises. The 65cm size is ideal for users between approximately 165–185cm tall, providing the right level of stability and challenge for a wide range of exercises. Use it for crunches, planks, back extensions, and seated balance work to engage deep core muscles that traditional exercises miss. Durable, anti-burst construction ensures safety during use, making it a reliable addition to any home gym or fitness facility.