Compare to silicone material, TPU (Thermalplastic Polyurethene) keyboard cover is characterized as ultra thin and high transparent. Every key is individually molded, precisely made to cover the entire keyboard recess area. It has very good visibility and not easily caught the dirt, and it is not easy to deformation. Please start a new and comfortable typing on your laptop. This keyboard cover is only compatible for Dell: --Dell Inspiron 14 3446/3447/3442/5442,14C,Inspiron 14 3000 series,5000 series 2014 Produce,14MR,14MD,14M,5447,M3441R,14CR,14LR Inspiron 14 7000 series,Inspiron 14 7000-7447 Ins14MR-3628R,Ins14MR-1528R/1328R,Ins14MR-4528R/S,Ins14LR-1528B/1328B,Ins14LR-2528B Inspiron 14CR-4528R/B,Ins14CR-4728B,Ins14CR-1528R,Ins14CR-1308B,Ins14CR-4518B/L,14R-5447/5448,14U-5458,Inspiron 5457,15-7568,V5459,14PR-3548 --Please confirm your laptop keyboard is exactly same with fitted keyboard layout picture before paying. Attention Please: *This keyboard cover ONLY fits for American/US version keyboard. Does NOT support European/UK version which "Enter" key looks like "7" shape. Main pictures are for reference only which give impression of how thin and transparent on Macbook.