Made of safe PET environmental material, strong and . Set of 2 boxes. External dimensions: 14.37 x 9.44 x 2.75 in. Internal dimensions: 13.66 x 9.21 x 2.56 in. This is the perfect storage organizer. This storage box can hold standard (8.5x11 Inch) a4 paper, files, documents, , crafts, and stationery. A variety of items can be stored , office, or school. The transparent design of the storage box allows you to see any items in without opening the lid, so you can quickly find where the target item is stored. Separate lid for easy access to items. Any items in the storage bins are free of dust and liquids when the safety catch is locked. Each storage box can be stacked to maximize the use of valuable space. Thickened plastic (a box / 1.54 pounds) allows stacking of more than 30 storage boxes (without any bracket conditions). Size:33x24cm Color:Transparent & Blue Material:plastic Package Contents: 2 * Portable Project Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.