NIP This 16 pack of Duck brown corrugated corners offers both protection and efficiency for your next shipping project. Constructed from lightweight cardboard material, these corners are designed to provide edge protection and prevent denting and scratching of items while in transit. The 4" x 4" rectangular shape fits snugly against the corners of your item, ensuring maximum security while minimizing movement. These corners are made in the United States and are the perfect addition to your business or industrial shipping tool kit.