Made of high quality fabrics and exquisite craftsmanship.The surface material is waterproof fabric,it's water resistant,soft and silky fabric,easy to wiped off; the inner material is tough and not easy to tear.Offer much more space than you would expect,easily fits your books,laptop,pens and notebook,water bottle,shoes and clothes,etc.You can use it for hiking,walking,climbing,camping,travelling,cycling,fishing and the gym.It is your perfect assistant.Reinforced with adjustable shoulder straps for optimal comfort on your shoulders.adjustable shoulder strap is very suitable for choosing the appropriate length of shoulder belt,which makes the shoulder strap close to the shoulder and makes your back feel more comfortable.Size: 17 x 14 x 6.3in 43 x 35 x 16 cmLarge capacity: 1 inside the main compartment,2 side pockets,1 front,and 6 back zipper pocket.The classic backpacks large interior provides plenty of space for a laptop,a couple of textbooks,folders,lunch boxes,and daily necessities.The backpack is light and comfortable and can be used as a school bag for teenagers to carry books and daily necessities to and from school.It can also be used as a handy carry-on bag when traveling or as a daypack for field trips and other excursions.The computer bag features a padded back panel and padded shoulder straps to provide maximum comfort during long-term use.The padded shoulder straps can also be adjusted for a custom fit,ensuring the backpack sits right where you want it.Stand out from the crowd with an eye-catching image