New Unisex 16L/20L Kanken Rucksacks Outdoor Waterproof  School Backpack Children Stuednts Adults Birthdy Gifts Description: - The shoulder straps are long and adjustable so they fit both little and big backs. - They can be fastened with a button so they are not in the way when they are in their shortest position. - The main compartment has a large zippered opening that makes it easy to pack and unpack. - There are also two flat side pockets and a zippered pocket on the front. Features: Material:Non-Woven Color:Yellow Black Blue Red Applicable Gender: Unisex / Both Men And Women Size 16 L:38*13*27cm/14.9*5.1*10.6in (Can put A4 paper, 14 inch computer) 20 L:42*13*32cm/16.5*5.1*12.5in (Can put a 16-inch computer) Package Included: 1*Backpack (Other accessories are not included) Notes: 1: Measurement of the item lying on the table may cause 1-3cm difference, please note the sizes for it doesn't fit all people. Please view the details of the size information before your purchase. 2: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness when photo taking.