With padding on the outside to protect your back and padding on the inside to protect your laptop, the Caselogic BBP17K nylon backpack is an effective and stylish way to protect and transport laptops of up to 17. This backpack also has several handy compartments for storing all your accessories, as well as your mobile phone, USB flash drive, MP3 player and more. Exterior dimensions: 18 x 35 x 52.9 cm.