Manufactured from 200#/ECT 32corrugated (unless otherwise noted). Corrugated boxes are recyclable. Cartons are sold in bundle quantities and ship flat to save on storage space and shipping. Corrugated boxes are recyclable. Boxes are shipped flat in bundles of 20. Attached flap lid allows easy closing and sealing. Stores flat to minimize required space. Eco-conscious choice - has one or more meaningful eco-attributes or eco-labels. Quality standard strength industrial Corrugated Boxes.