Buy Tuck-in-Flap Boxes Online at UPack

U-Pack's Tuck-in-Flap boxes with double sidewalls and extra locking flap on lid panel are extremely sturdy and safe as e-commerce boxes online. They ship flat and are quick and easy to construct manually without glue or staples. These boxes are used for a variety of applications ranging from gift kits, baby products, electronics, cosmetics, mobile boxes and more. UPack stocks these in various sizes in natural brown and white kraft paper.


Strong and lightweight – easy to assemble
Die cut finishing & custom printing options.
Ships flat for easy handling and storage
In stock and available for immediate delivery