Aviditi is your premier source for all of your corrugated needs With over 1,600 corrugated box sizes available, our huge selection ensures you can choose the right size box for any application. Aviditi's corrugated box assortment has many styles to choose from including standard, flat, tall, heavy-duty, double wall, triple wall boxes and much more Check out the Aviditi store for a full selection of corrugated boxes Product Specifications: 20 x 12 x 12 Long Corrugated Boxes. Inside dimensions measure 20-inches length x 12-inches width x 12-inches height. Carton capacity is approximately 1.667 cubic feet. Wide openings along the length make these cartons easy to pack. These boxes are great for long narrow items, packing, shipping, moving, storage, crafting and much more These boxes are the industry standard and proudly made in the United States. Aviditi corrugated boxes are easy to assemble and fold together in seconds. Standard strength industrial corrugated boxes are manufactured from 200/ECT-32 single wall, c-flute kraft corrugated. Estimated weight capacity is 65 lbs. This is only a guide, weight must be distributed evenly. Package includes 20 boxes and ship flat to save on storage, space and shipping. Corrugated boxes are reusable and recyclable.