Model No.: E812; internal dimensions of the case: 43.5x33.2x2.5 cm (17.13x13.07x0.98 inch) Innovative Shock Protection- “Super Corner” Technology: Our patented “Super Corner” design provides outstanding impact protection, safeguarding your laptop from accidental bumps and drops. This cutting-edge design eliminates the need for excessive padding, ensuring top-tier protection in a sleek, perfectly sized sleeve Specially crafted for 18 inch Acer Predator Helios 18 AI; for 18 inch Acer Predator Helios 18 Gaming Laptop; for 18 inch Acer Predator Helios Neo 18 Gaming Laptop; this sleeve offers a precise, tailored fit that keeps your device secure. Say goodbye to ill-fitting, oversized sleeves, and enjoy a perfect fit that enhances your laptop’s safety Extensive Custom Sizes for Major Brands: Smatree offers nearly 20 custom-sized sleeve options specifically for Acer laptops, along with a wide selection for other popular brands such as Lenovo, ASUS, HP, MSI, Samsung, Microsoft, Apple, DELL, Razer and others. Our sleeves are meticulously designed to fit your exact laptop model, providing a superior alternative to generic cases Multi-Functional and Water-Resistant: Constructed from durable 300D polyester, our sleeve is water-resistant, protecting your laptop from light spills and splashes. The detachable accessory bag keeps your cables, charger, mouse, USB drives, and other essentials organized, and the luggage strap allows for easy attachment to your suitcase, making it perfect for travel