A3 Size Folding File Storage Box with Rigid Lid, Fit Most Files/Letters/A3/A4 Papers on Office Shelf or Desttop, Pack of 2, Beige : Amazon.in: Office Products
A3 Archive Box with Attached Lid | Archive Boxes Australia
VILLY A3 storage box, Black - Green Collective
The 10 Litre Really Useful Box is ideal for a number of storage purposes such as A3 paper, textiles, and more - Preservation Equipment Ltd
SRA3 / A3 Paper Storage Box — WestonBoxes
Amazon.co.jp: Yokoi Package Tough Box L Document Storage Box, A3 Compatible, White, Set of 10 : Office Products