Sturdy with heavy bond paper. 50 ivory pages with glassine interleaves between each page. Ideal for scrapbook use.Acid-free, archival and photo-safe. Holds up to 400 4"x6" prints. Use our "photo-splits" for easy mounting. Store your CD with photographs in the envelope on last page. Engraving is done in bottom right-hand corner unless otherwise requested by customer.