MetroMax Super Slide Tote Box Holder easily attached to the shelf frame (under the mats) and is sized to hold 3", 5", 6", and 8" tall tote boxes. Designed to fit a 24" wide (deep) shelf. Compatible with MetroMax i and MetroMax 4 Shelving. Corrosion-resistant taupe epoxy finish with Microban antimicrobial product protection.  Totes sold separately.