Quick Shipping Usually ships in 1 business day Product Overview Includes (5) 18" x 48" shelves and (4) 74" tall posts Grid style mat allows greater air flow and light penetration Each shelf features a removable, easy-to-clean shelf mat in 6" wide sections Antimicrobial protection keeps shelving more sanitary between cleanings Each shelf holds up to 600 lb. of evenly distributed weight Shelves adjust in 1" increments along posts Made completely of strong polymer material; great for dry and wet ap