Folox Thin Transparent Waterproof TPU Keyboard Protector Cover for Dell Inspiron Ins15hr-2528 15hr-2628t 15hr-2828t 15h-1528 15-7537 Notebook PC Made with durable non-toxic, Premium-grade TPU material with amazing 0.18mm thickness Waterproof and dustproof, protect your laptop against spills, dust, and other contaminants Compare to Silicone material, this TPU cover is much more thin and higher transparent Engineered to fit precisely to your keyboard without obstructing keyboard backlight Completely washable and reusable, soft durable material to ensure comfortable usage while typing