The Boxery Recycled Corrugated Cardboard Single Wall Standard Printer's 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 Made of single wall C flute corrugated fiberboard with standard kraft color Ships same day via UPS ground from NY