COMPATIBLE MODEL: Only Compatible with 10 inch Microsoft Go 1/2/3 Tablet (2021-2018 Released); NOT Compatible with 13.5/15 inch Surface Book 1 /2 /3, 12.3 inch Surface Pro 3 /4 /5 /6 /7 /8, 13 inch Surface Pro X, 13/15 inch Surface Laptop2 /3 /4. Please check the model of your equipment before you order Please Note: It's only compatible with US (American) Layout, not compatible with EU (European) Layout. Distinction of American and European Layout : US Version: "Enter" key is a rectangle & EU Version: "Enter" key looks like "7" DURABLE MATERIAL: Made of international environment material - TPU . Touching soft, non-toxic, noncorrosive, anti-yellow, wear-resistant as well as heat-resistant. Manufactured to the Highest Quality Available Extra slim skin, made it easier for typing. Soft silicone can ELIMINATE the sound when typing. Flexible, washable, easy to apply and remove for cleaning PRECISION MOLDED: Every key is individually molded and specially printed on clear TPU skin for a long lasting professional look