IRIS 12 in. x 12 in. Portable Project Case in Clear 150780 - The Home Depot
12" x 12" Clear Scrapbook Case by Simply Tidy™ - Walmart.com
Clear Craft Storage Box (3 pack) - 12x12 - made by Scrapbook.com
Sterilite 16 Qt. Plastic Storage Box Containers in Clear (12-Pack) 12 X 16448012 - The Home Depot
Amazon.com: Denkee 12 x 12 Paper Storage, 4 Pack Scrapbook Storage Box for 12" x 12" Paper, Plastic Portable Project Case, Slim Documents Magazines Paper Protector (12.4 x 12.8 x 1.1 in) : Office Products
Clear Storage Boxes - 18 x 12 x 12" S-14599 - Uline
Amazon.com: Recollections 12x12 Scrapbook Storage Case (Mint)