Free-standing stability ball racks keeps your exercise area safe and organized. Available in 3 different sizes for storing up to 8, 12, or 16 stability balls from 45cm to 85cm. These ball holders are designed so they can be placed on the corner and out-of-the-way and the base is wide and sturdy so it does not topple over. Lightweight and sturdy. Hard PVC tubing. Assembly required. Color: Gray. Balls sold separately. Dimensions: 8 ball rack: 54" L x 18" W x 82" H. Dimensions: 12 ball rack: 107 L x 18 W x 56 H. Dimensions: 16 ball rack: 107 L x 18 W x 82 H.