18 x 14 x 19' Insulated Shipping Kit. Maintains the insulation and integrity of your products that present temperature constraints. Each kit includes a pre-assembled 200#/ECT-32 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. 20 1/2 x 16 1/2 x 21' outside dimensions. Wall thickness is 1 1/4'.