USC S-4189 - 18 X 12 X 10" CORRUGATED BOXES - 200 LB. TEST HIGH QUALITY CORRUGATED BOXES IN A LARGE SELECTION OF SIZES. USE TO PACK, SHIP AND STORE PRODUCTS. EASY TO SET UP, LOAD AND CLOSE. SHIPPED FLAT FOR FREIGHT SAVINGS. GLUED SEAMS. MEETS ASTM D5118...