The Partners Brand single box that opens along the ends and makes insertion of frames, mirrors and other flat products quiet easier and convenient. This box is made from 275#/ECT-44corrugated that makes it strong and durable. It is sold in bundle quantities and is shipped flat thus saving on storage and shipping. Brown coloredcorrugated construction. Loads from the side for simple packing. Design provides extra edge protection and stacking strength. Attached flap lid makes it easy to seal items inside. Stores flat to help conserve space. Eco-conscious choice - has one or more meaningful eco-attributes or eco - labels. Great for moving and shipping items, as well as storage. The Partners Brand HD20860FOL brown 60" side loadingcorrugated boxes has full overlap flaps and provides extra protection to its contents.