Sell Men's laptop backpack waterproof travel backpack USB charging port school bag best price

Backpack men's laptop backpack waterproof travel backpack school bag college backpack shoulder bag anti-theft backpack school bag with USB charging port product detailsSuperior material: made of nylon and polyester lining, waterproof and wear-resistant.USB charging port: Built-in USB port and earphone access port, more convenient for charging electronic devices and listening to music.Multifunctional design: with hidden anti-theft zipper, safe protection of your valuables; practical luggage belt, more convenient to carry when traveling.Large capacity: 30 (length) x 9 (width) x 44 (height) cm, 11.81 x 3.54 x 17.32 inches, suitable for notebook computers under 16 inches."S" ergonomic design: very suitable for your back.Very suitable for business, travel, hiking, leisure use, and suitable for male and female students.