30x Archival Storage Sheets 120 Negative Page Preservers by Artina. Keep your negatives safe and organized with these storage sheets. Designed to fit both 35mm and 120 format negatives, these sheets are made from high-quality, acid-free materials to ensure long-term preservation of your images. Each sheet is buffered with calcium carbonate to protect against harmful contaminants and provide a pH-neutral environment. The sheets are also lignin-free, ensuring that your negatives won't discolor over time. With a clear, durable, and non-reflective surface, these sheets allow for easy viewing and sorting of your negatives. The 30x size makes them convenient for bulk storage and organization. Whether you're a professional photographer or a hobbyist, these archival storage sheets are an essential tool for preserving your photographic memories for years to come.