EASY STORAGE: This stability ball holder holds 3 stability balls vertically and can be assembled to hold 2 stability balls for more compact storage and space-saving in your gym or yoga studio SOLID CONSTRUCTION: Each stability ball organizer is sturdy with a steel mainframe and can handle up to a 75cm stability ball. Use this stand to hold your stability balls as you improve your balance during physiotherapy, yoga, or your fitness workout DIMENSIONS: With 3 Rings, this stability ball holder measures 36 x 31 x 74 (L x W x H), and weighs 31 lbs. With 2 Rings, measures 36 x 31 x 39 (L x W x H), and weighs 31 lbs. DESIGNED: The GSR10 is designed to hold 3 of any size stability ball, including 45cm, 55cm, 65cm and 75cm