Box Partners 36540FOL 36 in. x 5 in. x 40 in. Side Loading Boxes- 20

These cartons open along the ends for easy insertion of frames mirrors and other flat products. Designed with full overlap (F.O.L.) flaps for added protection. Manufactured from 275#/ECT-44 kraft corrugated. 4.2 cubic foot capacity. Boxes are sold in bundle quantities and ship flat to save on storage space and shipping.