Lineco . L5330037

Lineco's Polypropylene 3In Mounting Corners are acid-free and free of harmful chemicals. They feature a pressure-sensitive, non-yellowing acrylic adhesive that doesn't come into contact with artwork, making them safe for mounting precious art and photographic prints. Suitable for light to heavy-weight photos and art, these 3 inch corners are packaged in sets of 100, providing support and allowing for expansion and contraction within the frame.