US-4033 Stacking File Tray. PS material. Three tiers. Consistent high quality and competitive price. OEM are welcome. Dimensions(mm):360x250x225mm Packing:1pc/color box, 6pcs/ctn, cbm:0.0878cbm/ctn Color: Transparent/Smoke. With high quality materials, strict quality control and assurance, we pursue perfect products and offer you the happy mood at study and work!