Adjustable Cardboard Corner Protectors-Multiple Pack Sizes Available Protect your valuable items during transit or storage with these adjustable cardboard corner protectors. Available in 48, 100, 120, and 400-pack varieties, these protectors are ideal for packaging, shipping, and moving artwork, picture frames, books, and more. Durable Material: Made from thick, corrugated cardboard for superior impact resistance and protection. Quick & Easy Assembly: Each corner protector ships flat with simple folding instructions included, assemble in seconds. Adjustable Fit: Features three tab slots to easily accommodate frame corners between 1 to 2.1 inches thick. Versatile Use: Perfect for safeguarding framed artwork, photos, and books during shipping, storage, or handling. Convenient Options: Choose from a variety of pack sizes to fit your project or business needs.