Pratt PRA0097 Recycled Corrugated Cardboard Single Wall Standard Box with C Flute, 18" Length x 12" Width x 10" Height, (Pack of 25) 100 percent recycled corrugated box for packing, shipping, and storing 32 ECT grade for standard stacking performance Rectangular shape fits various items Made of single wall C flute corrugated fiberboard with standard kraft color Shipped flat to reduce shipping costs and storage space