VIVO Laptop Notebook Steel Tray Platform (Tray Only) for VESA Mount Stand | Fits 100 mm Plate Holes (Stand-LAP2) COMPATIBILITY - Tray fits up to 15.6 laptops and notebooks and is compatible with VESA mounts (This purchase is for the tray only. VESA arm must be purchased separately) BOTTOM LIP - Protrudes in order to protect devices from sliding and/or sustaining damage through other means VENTILATION - Extra ventilation holes significantly improve airflow to keep your laptop cool ERGONOMICS - Great for improving posture and other aspects of ergonomics while operating computer VESA CAPABILITIES - Mounting plate connects to any VESA 100mm x 100mm holes