GreenForest Simple Portable Table Adjustable Folding Bed Tray Laptop Desk Reading Notebook Stand Black Foldable and adjustable design desk tray,prefer to work or study on couch/chair/bed Guard rails keeps items safe on the table ,which hold up your laptop and books Height adjustment desk tray,6 holes in each leg,adjusts to 6 heights from 26-34" accoring your actual need Board size is 21"(L) x 16"(W),titled at an fixed angle,ideal for viewing laptops,reading and writing Material: Steel Tube w/ MDF,pretty sturdy and attractive looking.Light so easily move everywhere in rooms Material: Steel Tube w/ MDF Tube Size: 22/19x0.8mm Tube Thickness: 0.8mm MDF: 12.0mm Color: Silver Tube, Black Top Item/Packing Information Item Size: 53.0CM 40.0CM 65-85CM (L*W*H) Case Size: 65.5CM 50.5CM 4.5CM (L*W*H) Gross Weight: 4.0KGS Net Weight: 3.5KGS 1.Guard rails keeps items safe on the Table. 2.Black Wood MDF Top, Looks High class, easy to clean. 3.Steel Frame with a Crossbar in the foot to make the table more stable. 4.Lightweight yet sturdy, holds up to 25.0kg 5.Adjusts to 6 Heights from 65cm-85cm