Ultra Thin High-Grade TPU Clear Keyboard Cover for Microsoft Surface Book 2 13.5" and 15"(2017/2018 Released)& Surface Book & Surface Laptop 2 2018 & Surface Laptop 2017 (NOT Fit for Surface Pro 2017) Perfectly fit Microsoft Surface Book 2 13.5" and 15"(2017/2018 Released) & Surface Book & Surface Laptop 2 2018 & Surface Laptop (2017) (NOT Fit for Surface Pro 2017) High-grade TPU material, healthy and environment friendly Ultra thin 0.18mm thickness, high transparency film allows backlight keyboard to shine through High precision and one step shaping, perfectly fit for each keys with all-around protection Waterproof, dustproof, wearproof, good permeability, easy to wash and reuse