This Auction contains:1 sealed pack of 50 E Gerber Full Backs (50)1 Side White/1 Side Cream The Boards are: Made from 100% Acid-Free Virgin Pulp Board, 35 PT Thick cardboardEnsuring extra rigidity and protectionProduced with a 3% alkaline buffer Maintains ph of 8.0+ Meets U.S. Government Standards for Archival Storage Fits perfect with 700M+, 700M2 and 700M4 E Gerber Mylar Boards (none included in this auction) Dimensions:Boards are 6 3/4″ x 10 1/2 on these Full Back Boards. Shipping is free to the Continental United States. Check out our other E Gerber supplies listing as well as out comic and card listings.