【Measure Your Laptop Internal Dimensions】Our Laptop sleeve case ‘s Internal Dimensions: 15.5 x11 x 0.78 inch(39.5 x 28 x2 cm).External Dimensions:16 x11.4 x1.2 inch(40.5 x29 x3cm). 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 】Acer Aspire E 15 E5-575 E5-576, 15.6 Acer Aspire 6/Aspire 5/ Aspire 3 CB515 Chromebook, Acer Predator Helios 300, Acer Chromebook 15, Acer Nitro 5/Acer Flagship CB3-532; Asus Zenbook Pro; HP OMEN 15 2018/15-BA009DX/Pavilion Power 15, HP Pavilion Notebook 15, HP ProBook 450, 455, 650, Thinkpad T580 E580 P51; 15.6 Lenovo IdeaPad 330 320, Lenovo Yoga 720/730 15.6, Lenovo Flex 5 15.6; Dell Vostro 15; Samsung Notebook Odyssey 15.6.(NOT FIT Acer Nitro V 15.6")