<ul><li>Read Details Carefully &gt;&gt; Large size Heavy laptop Stand made of Plastic (Bigger &amp; heavier than metal alloy stand )【BROAD COMPATIBILITY】Laptop_ stand can support up to 44lbs weight, fit for almost all laptops from10 to 15.6 inches,【6-LEVELS ERGONOMIC DESIGN】The laptop holder offers 6 levels for height adjustment, elevating your laptop from 4.7 in to 6.3in above the tabletop. Prevents you from hunching over your screen, which helps to fix your posture and reduce back pain, neck stiffness, wrist aches and eye strain. It is a perfect desk partner to get rid of the bad posture while using laptop.【HEAT DISSIPATION &amp; VENTILATION】Adjust the height of the notebook stand forward-inclined angle and hollow design provide more natural airflow for the laptop, accelerates heat dissipation to protect the laptop from hardware and CPU overheating.【STURDY FRAME&amp;FULL PROTECTION】The double triangle support design make the laptop stand more stable. With large anti-slip silicone pad, it can protect your device to the greatest extent from falling【PORTABLE &amp; FOLDABLE】The laptop stand can be folded into a small size and then you can carry it to anywhere like home&amp;office and during travel. It is easy to open and close when you use it.</li></ul>