Box Usa Usa 15 X 15 X 4 Corrugated Cardboard Boxes Flat 15L X 15W X 4H Pack Of
15 x 15 x 4″ Flat Corrugated Boxes. Boxes are manufactured from 200#/ECT-32 kraft corrugated. Corrugated boxes are reusable and recyclable. Proudly made in the USA. 100% Recyclable and Reusable: Simple materials, excellent performance; Made in the USA.