【Measure Your Laptop Internal Dimensions】Our Laptop sleeve case ‘s Internal Dimensions: 16.9 x12.6 x0.79 inch(43 x 32 x2cm).External Dimensions:17.7 x13 x0.98 inch(45 x33 x2.5cm). Please measure your laptop with internal dimensions before your purchase. | 【Water Resistant & Slim Lightweight】The laptop Briefcase made of high-quality waterproof Canvas fabric, which obstructs water and vapor effectively. Don't worry about your laptop and accessories splashing water or rain. Super slim and lightweight, it can easily be transported inside another bag, backpack or briefcase. | 【Extra Pocket & Smoothly Zipper】Extra pocket in front provides enough space to keep mouse, earphones, pens, iPhone , notepads and other accessories. Zipper glides smoothly and convenient access to your laptops. | 【Shockproof Soft Lining & Side Handle】Especially soft and anti-static, the laptop Briefcase bag of soft lining can effectively absorb impacts and reduce damages caused by accidentally bumping & scratches. The side handle helps you carry easily when you want it as a handbag. | 【Compatible Devices 】 Compatible with Lenovo L340 17.3" Laptop/ ideapad 330 320 17.3, for HP 17 17.3"/ Pavilion 17/ Probook 470 G5 17.3/ Envy 17.3/OMEN 17,for Dell Inspiron 17 3000 5000 7000/G3 17.3/ Precision M6800 17.3, lg gram 17.3, Sager NP7876 17.3, for Acer chromebook 317, Acer Aspire 5 7 17.3/Aspire E 17 E5-772G/ Predator Helios 300 PH317 PH517,ROG Strix SCAR and more 17.3 Inch laptop.