Reebok Trace Trolley Backpack for 15.6-inch Laptop, Green, 31 x 44 x 15 cm, Polyester, 21.26 L, by Joumma Bags

Backpack measuring 31.5 x 45 x 15 cm, made of polyester Easily accessible front zip pocket, ideal for carrying your phone, keys or smaller accessories; with a double zip tab for easy opening Optimal organisation with a padded interior pocket, ideal for storing a computer up to 15.6 inches (35.5cm x 26cm x 3 cm) Wide, ergonomic, padded shoulder straps that fit perfectly on the back, ensuring maximum comfort when travelling; includes an integrated double-wheel trolley with reinforced base, perfect for easy transport and added stability; magic Fix system for optimal fastening between the backpack and trolley An adjustable back strap lets you easily attach the bag to a trolley suitcase when travelling, so you can travel more comfortably without carrying its weight on your back