This Buckram acid-free 3-ring binder box is entirely archival and was specifically made for the long-term storage of photographs, negatives, slides, CD"s, and more. The totally enclosed clamshell design works great to protect your finest images and the spine lays completely flat to allow the fullest presentation possible. Made from .098 acid-free heavyweight binder board. Coated black poly-cloth buckram fabric exterior. Acid & lignin-free white buffered cardstock interior. V-cut lid for easy opening and access. Rear spine lays flat for professional presentations. 3-ring binder mechanism with 1-1/2" nickle D-rings. Fits most standard 3-hole punch print, negative, slide, or CD pages up to 11"W x 11-1/6"H. Also Fits Print File G-Series extra tall pages. Approx. Capacity: 75 negative pages, 50 print pages, 25 slide pages, or 15 CD pages. Inside Dimensions: 12-1/4"W x 13-3/8"H x 2-1/8"D. Outside Dimensions: 12-1/2"W x 14"H x 2-1/4"D. Made in the USA.