Picture Frame Corner Protectors: These multicolored cardboard corners are designed to protect valuable paintings, artwork, picture frames, and books Quick Assembly: The cardboard corner protectors are shipped flat but can easily be assembled in seconds; simply fold along the lines to your preferred width before applying onto frame corners Reliable Quality: Each corner cover is made from thick, corrugated cardboard to provide additional protection against impact while shipping, packaging, and moving Adjustable Size: The corner protectors for shipping have 3 slots that can easily be adjusted to fit frame corners that range between 1 to 2.2 inches thick Comes With: You will receive 100 multicolored picture corners for moving or shipping artwork