Organized Storage for Fitness Enthusiasts: tidying up your workout area is now effortless with our black yoga ball holder; Capable of accommodating up to 6 stability balls, this metal exercise ball stand lets you efficiently store various sizes, keeping your space organized and clutter-free Flexible Accommodation for All Your Stability Balls: measuring about 36 x 31 x 74 inches of 6 rings structure, about 36 x 31 x 39 inch od 3 rings structure, featuring 6 piece 11.4 inch diameter rings, this vertical ball rack can easily accommodate exercise balls of 45cm, 55cm, and 65cm sizes; For larger stability balls up to 75cm, the top ring provides the good fit Reliability with Metal Construction: crafted from metal, this stability ball rack is built to last; Its robust steel frame make long term use, each stability ball storage rack has a sturdy steel main frame capable of holding stability balls of up to 75cm; Providing stability and balance for your gym or yoga studio