The Backboard accessory is compatible on all Suncast Commercial full-size housekeeping carts. This item easily attaches to the top of your cart, providing additional height and support to help keep items aligned and in place while the cart is in motion. Ideal for stacking linens or smaller items that may be stacked or can be easily knocked over. Accessory Type: Backboard; Width: 10.31"; Depth: 32.13"; Height: 7.13".