SECURE MOUNTING - Archival Methods Cut Back Mounting Corners ensure your 20x24 prints stay firmly in place, preventing slips and damage, preserving your cherished memories. EASY TO USE - Simply apply these 75mm mounting corners to the back of your prints; their user-friendly design makes framing a breeze, saving you time and effort. ARCHIVAL QUALITY - Crafted from acid-free materials, these corners protect your photos from deterioration, ensuring they remain vibrant and intact for generations to come. VARIETY OF SIZES - Designed to accommodate prints up to 20x24 inches, these versatile mounting corners are perfect for a range of photo sizes, offering flexibility.