ThisMiss Elizabeth's Scrapbook Refills includes 10 top-loading page protectors without inserts to hold 20 pages. The pages are acid-free and archival safe. I have 12" x 12" scrapbook albums available as well as premade pages for those albums.
The Paper Scrapbooking Albums Studio 12 x 12 Size for sale
Pioneer Albums – This and That Craft Shop
How to Add Pages to a Post-Bound Album Tutorial
Other Crafting Paper, Crafting Paper, Multi-Purpose Craft Supplies
Album Refill Pages - 12 x 12, Hobby Lobby
Photo4Less Pioneer Photo Album 12″X12″ Scrapbook Collage Frame Sewn Embossed Leatherette Brown “Travel”
Dunwell 12x12 Page Protectors, Combo Format 4x6 and 6x12 PocketsPreserve Your Memories with Dunwell 12x12 photo sleeves. This layout provides the three top-loading 4x6 vertical pockets, along with a large 6x12 banner pocket. These poly 12x12 page protectors make it easy to add 4 x 6 photos to 12x12 albums.Scrapbookers love 12x12 photo album refill pages because they make scrapbooking easy.
Dunwell Scrapbook Refill Pages 12x12 - (10 Pack) Super Heavyweight, Fits 3 Ring Scrapbooking Binders 12 x 12, Standard 12x12 Photo Album Refill
The pages are archival safe. I have 12 x 12 scrapbook albums available as well as premade pages for those albums.
12 x 12 Page Protectors Scrapbook Refill Post Bound 3-Ring 20/pk for 40 pages
Scrapbook Page Protector 12x12
Creative Memories Page Protectors
Black refill pages for John Porter Albums 12x12 - Pages are a full 12x12 with room on the binding edge for the holes and posts. They will fit most traditional style binders and have two holes.
Refill Pages Black 12x12 Post Scrapbook Pack of 10 with 2 Extenders | Future Packaging & Preservation
25 12x12 sheet protectors For use with 12x12 post bound or 3-ring scrapbooks Photo Safe: Acid, Lignin and PVC free Package dimensions : 12.13 inches
Pioneer Bulk Sheet Protectors for 12 x 12 Pages (Pack of 25)
Black refill pages for John Porter Albums 12x12 - Archival Safe Black Pages for JP Album or simply cut them to size!
Scrapbook Pages Refill Black 12x12 Pk 10 w 2 post ext (min. 3)