Great for layering protection to protect package contents Use in between layers of products to evenly disperse weight. Makes a great envelope stiffener. Top layering protects products from damage when box is being cut open. Manufactured from 200 lb/ECT-32 kraft corrugated. Office Depot(R) Brand Corrugated Layer Pads, 13 7/8in. x 13 7/8in., Pack Of 100 is one of many Packing Papers & Foam available through Office Depot. Made by Office Depot.