Quick Shipping Usually ships in 1 business day Product Overview (4) 24" x 48" grid shelves and (1) 24" x 48" solid shelf (4) 74" tall posts; each includes 2 swivel casters and 2 casters with brakes Each shelf features removable mat for easy cleaning Grid shelves provide ample airflow around contents; solid shelf contains spills Microban® antimicrobial protectant prevents bacteria, mold, and fungus All-polymer construction won't rust or corrode Wedge connectors required for assembly included Unit