Targus Ascend Backpack is made of durable polyester material and It is designed to accommodate laptops with up to 16 inches screens. This is an all-purpose backpack that provides the essential functionality and protection. The padded laptop compartment provides added protection and keeps your device secure. The zip-down compartment features an interior storage area for daily commute needs, files, books, laptop accessories and more. The front pocket workstation includes a key clip, card slots, pen loops and pockets for cell phones. The case has a zippered stash pocket on front panel for convenient access. There are also side jersey mesh pockets for water bottle and essentials storage. The soft touch handle also provides comfort and convenience. This case is a cost-effective value solution for school, work or travel. Computer compatibility measures 26.7 cm length by 3.3 cm width by 38.1 cm height. Exterior measures (fully expanded) 49 cm length by 24 cm width by 52 cm height.