Amazon.com: Akro-Mils 12 Gallon KeepBox File Box Plastic Stackable Storage Container with Hinged Attached Lid and Rails for Hanging File Folders, 21-Inch L x 15-Inch W x 12-Inch H, Clear/Blue : Everything
Realspace Acrylic File Box With Hanging Folders Letter Size 12 12 x 5 14 x 10 14 Clear - Office Depot
Plastic Storage Hanging File Box 12 Gallon with Attached Lid Ergonomic Handles | eBay