Light-duty storage boxes offer liftoff lids for easy access. Ideal for storing and transporting files. Stacking strength is 500 lb. Each box is made of one-ply B-flute corrugated cardboard with 1/8 thickness. Each box contains a high percentage of recycled material. • B-flute corrugated cardboard offers 500 lb. stacking weight. • Liftoff lid allows quick easy access to contents. • Handy label area helps you quickly identify contained items. • Perfect for storing and transporting legal-size items. • Sold as 12/Carton.