HIGH QUALITY MATERIALS & ADDITIONAL PEN HOLDER: Our desk side storage hanging is made of high quality steel and the matching magnetic pen holder is made of high quality ABS. Our under desk laptop holder is strong and sturdy with capacity of holding maximum 22lbs. They can be attached to magnetic cable holders, USB , and other devices. MULTIFUNCTIONAL DESK SIDE STORAGE & ANTI-SLIP AND ANTI-SCRATCH DESIGN: This under desk laptop tray can be retrofitted to the side of a desk to easily hold a laptop, tablet, hidden wires, interior accessories, manuals, documents, , and other items. SUITABLE FOR MOST PLACES: The maximum thickness of the desktop that the under desk laptop holder can fit is 2.1 inches. No matter your desk is made out of wood, glass, or stainless steel, the desk side storage clamp will get the . However, our laptop stand is only suitable for tables with flat edges and is not suitable for curved edges and special-shaped tables. The 2 fixed clips of the bracket must be to embed the desk 1.9 inch at least. NO DRILLING & EASY TO INSTALL: Our no drill desk side storage, laptop holder under desk is easy to install. No extra tools are needed and importantly it 't damage your desk. (Note:Before purchasing, please confirm whether the upper and lower edges of the sides of your desk are flat and whether the size is suitable for your desk. You can refer to our pictures to confirm whether our side of desk storage is suitable for your desk.) HEAT DISSIPATION DESIGN: The heat dissipation holes prevent heat from accumulating in the device. The desk side storage organizer have some heat sink so that when you charge your laptop or tablet, you don't have to worry about heat not discharged. Colour:A:Black Material:Stainless steel Size:About 30x20x4.1CM Package Contents: 1 * Steel Hanging Desk Organizer 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.