24x24x24 Double Wall Shipping and Packing Box - Cardboard - 1 Box per Order of 1 Double Wall Shipping Box 24 x 24 x 24" Extra Strong Double wall Corrugated Board All our boxes are produced right here in the USA 71 ECT 1/3" thick kraft corrugated board sustainably sourced and recyclable NMFC Code: 29785-5 Freight Class:125 5.46 Lbs each 71ECT double wall corrugated cardboard boxes are designed for the heavy lifting. These super durable Cartons can be used universally for various shipping applications via water, railroad, and air and even as moving boxes. Buy heavy duty cardboard boxes and double wall packaging boxes wholesale