Intelligent increase design - this backpack has smooth zippers on the back side. Once pull on the intelligent zipper, the invisible compartment will show up and equipped with extra 50% of space. Best choice for short journey and easy your daily life.
Invincible water bottle pocket - made of newest high-tech waterproof material which flexibly fixed bottle or umbrella to prevent wetting out. Backpack's external USB charging port and built-in cable connected with your power bank inside which will charge your phone more easily. (Power bank does not included)
Convenient structure - an invisible card pocket on the shoulder strap, easily taking out the transportation card to pass underground subway gate or pay on bus. The back has a strap which can hold the backpack upright on the luggage's pull rod for easy traveling. An invisible zip pocket on the back to place your iPhone, keys and wallet conveniently. Anti-explosion double zipper of main compartment is anti-slashing and water resistant, This would increase the security of your stuff inside
Multipurpose - roomy backpack (12. 6’’L 6. 3’’W 17. 7’’H) with laptop compartment (lined with soft flannel) protects 15. 6’’ laptop and iPad. This backpack is made of water-resistant microfiber leather and durable ballistic nylon materials. The massage and breathable design for back side prevents you from hot and sweating, so comfortable for your daily life. ( best choice for you in travel, business, office or school )
Main Material - waterproof synthetic leather + microfiber. Handle: synthetic leather. Linning material: Polyester.
