Leze - Ultra Thin Silicone Keyboard Cover for 15.6" Dell Alienware 15 R2 R3,Alienware AW15R3(2015-2018 Version),Alienware AW15R4 Gaming Laptop - Black Perfectly fit for your 15.6" Dell Alienware 15 R2 R3,Alienware AW15R3(2015-2018 Version),Alienware AW15R4 Gaming Laptop INNOVATIVE layout design, individual mold in position with 0.15mm thickness, ULTRA THIN & INVISIBLE cover Significantly REDUCES THE SOUND of your key switches Real Touch Sensitivity for a natural feel that provides flawless touch screen accuracy Waterproof and dustproof, protect your laptop against spills, dust, and other contaminants