StoreSMART - 12" x 12" - Archival Album Refill Pages - 25-Pack - REF12-25 Crafted of crystal clear archival polypropylene. Includes holes on the left side for use with three-ring binders and 12" x 12" albums. Open along the top side with a 1/4" lip. All edges and holes are reinforced. Inside capacity: 12" x 12"