APPLICABLE SIZE & MODEL:The 13 size is a universal model for most 13 MacBook/Laptop/Tablet/Notebook/Chromebook,External Dimensions(L x W x H): 12.99 x 9.45 x 0.79,Internal Dimensions(L x W x H): 12.6 x 8.86 x 0.79.If you especially need a snug fit or a loose fitplease compare the actual dimensions of your laptop with the internal dimensions of the sleeve, and make sure those are smaller than the internal dimensions, the more similar,the more fit. Multifunctionality - Extra pocket in front, enough space to keep pens, mobile phone, cables, chargers, power bank etc. Handle Strap allowing the laptop case to be carried like a bag or purse or laptop sleeve. Slim & Lightweight - Simple but meet your every needs. Slim, portable and lightweight to take alone, or slide it into your briefcase, backpack or any other bag, perfect for business, school or travel. Great Protection: The robust outer material of polyester is durable and dirt-repellent and spills, the inner part of velvety soft fleece additionally protects against scratches, bumps, shocks.