12" x 12" x 11-1/2" Insulated Shipping Containers. Maintains the insulation and integrity of your products that present temperature constraints. Each kit includes a pre-assembled 200# white corrugated carton with a seamless molded EPS foam container and tight fitting lid. Shippers are light-weight and can be reused. Cartons are printed with Rush, Perishable and This Side Up arrows shipping instructions. 16" x 16" x 15-1/2" outside dimensions. Wall thickness is 2".