WiWU® 15.6 Inch 3 in 1 Laptop Rucksack Messenger Single-Shoulder Backpack for Men Women Business College Travel Satchel School Bag-Grey, Rucksack Backpacks

Multi-compartment: padded interior compartment protects laptop and a dedicated pocket for ipad, tablet or e-readers.besides,electronic device compartment with multiple mesh pockets and accessories pockets.external headphone/cable port for easy connection
Convertible hideaway straps: this bag is perfect for any occasion.it allow for a no-fuss conversion from briefcase to backpack at any moment. Three back compartments unzip to reveal straps buckles, and with two quick snaps it's done
Ergonomic design: this college backpack with ergonomic adjustable straps,breathable and comfy for heavy load.it's not too bulky, extra padding for support the arm provide comfort so don't dig into your shoulders
Waterproof Design:This computer backpack is made of durable terylene fabric, smooth, flexible and portable, portable and easy to clean. You can take this notebook backpack to school, college, shopping, cycling, travel etc.
Large Capacity: WIWU laptop backpack fits up to 15.6" laptop.Internal size: 16.9"(L) X 12.2"(W) X 3.2"(H); External size: 17.3"(L) X 12.9"(W) X 3.9"(H).Ideal for Most Popular 13.3" ~ 15.6" MacBook/Laptops/Chromebooks Like Dell HP Toshiba Lenovo Acer Apple Macbook Sony Asus Samsung Brand.That is very plenty enough for collecting your daily belongings,like laptop, notebook,books,clothes or other essential supplies.