This Auction contains:1 sealed pack of 50 E Gerber Silver Gold Full Backs (50)One Side White/One Side Cream The Boards are: White on One Side/Brown on Flip SideMade from 100% Acid-Free Virgin Pulp, 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 725M+, 725M2 and 725M4 E Gerber Mylar Boards (none included in this auction) Dimensions:Boards are 7 1/2″ 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.