Amazon.com : ADVANTUS Companion Letter/Legal Portable Plastic File Box, Includes Lid and Handles, 17 x 14 x 11 Inches, Black (TLF-2B) : Storage File Boxes : Office Products
IRIS File Box, Pack of 3, Black in the Desktop Organizers department at Lowes.com
IRIS 24 Qt. Portable Letter Size File Storage Box in Black 110977 - The Home Depot