Dimensions: External dimensions: 15.75 x 11.02 x 1.2 inches (400 mm x 280 mm x 30 mm), internal dimensions: 14.96 x 10.43 x 1 inch (380 mm x 265 mm x 25 mm). | Material: Made of durable high-quality canvas and high density waterproof polyester, it has good waterproof performance; built-in velvet material, soft, anti-static, shockproof and computer scratches, reduce accidental collisions, and fully protect your laptop. | Design: Humanized hidden handle design, hidden zipper, multi-layered pockets, plenty of storage space, laptops, mobile phones, cables, chargers, charging treasures, key cards and other items. | Lightweight: Hidden handle, simple - portable - stylish and unique style, office, leisure, travel can carry, easy to put in a backpack or lockbox. | Compatible with: 15" MacBook Pro, MacBook Pro with Retina Display, 15.4" HP Chromebook 14, HP Stream 14, Dell XPS 15, Acer Chromebook 14 / Aspire 14, Dell Inspiron 14" / Inspiron I3452-600BLK 14, Lenovo Yoga 710 14/ Lenovo Ideapad 14, Lenovo Flex 3 and more 14-15.4 inch laptops.