Model No.: E431; internal dimensions of the case:32x21.6x2 cm (12.6x8.5x0.79 inch) Patented “Super Corner” Impact Protection: Our unique “Super Corner” design offers advanced shock absorption, protecting your laptop from drops and impacts. This innovative technology provides maximum protection without adding extra bulk, keeping your sleeve slim and easy to carry Specifically made for 12.3 inch Surface Pro 7; 12.3 inch Surface Pro 7+; our sleeve ensures a snug fit that prevents your device from shifting around. Enjoy the confidence of a case that’s tailored to your laptop’s exact dimensions Tailor-Made Sleeves for Microsoft and Top Brands: Smatree offers nearly 20 custom-sized sleeves for Microsoft laptops, as well as tailor-made options for popular brands like Lenovo, ASUS, HP, MSI, Samsung, Apple, DELL, Acer, Razer and others. Our sleeves are crafted to match your laptop’s size precisely, delivering a fit and protection that generic sleeves can’t Water-Resistant and Travel-Ready: Made from premium 300D polyester, our sleeve provides water resistance to protect your laptop from spills and light rain. It also comes with a handy accessory bag for storing cables, charger, mouse, USB drives, and other essentials, and a luggage strap for easy travel convenience