specification:

1. Material: Durable water-resistant polyester (but not completely waterproof); smooth and strong zipper.

2. Size: large backpack: 30.5 * 42.5 * 13.5cm (length * height * width); 1 padded laptop bag fits most laptops 15.6 inches or less; weight: about 0.65 kg
Small backpack: 30 * 40 * 13 cm (length * height * width); 1 padded laptop bag fits most 14-inch and 14-inch laptops; weight: about 0.6 kg

3. Structure: spacious main compartment can accommodate manuals, magazines, A4 files; 2 side pockets can hold a kettle and an umbrella; 1 front utility bag allows you to easily access essentials; 6 open internal pocket ; 2 pen holders. A zipper compartment on the back prevents theft.

4. External USB interface: a USB charger is integrated externally, and a charging cable is integrated internally. It is easy and convenient to charge mobile phones, tablets and other devices without opening the backpack. The data cable is detachable. When cleaning the bag, you can unplug the data cable.

5. Fashionable and elegant: bow tie decoration is the perfect gift for gifts, leisure, hiking, camping, hiking, air travel, walking, outdoor sports, shopping, business travel and overnight.

Easy charging in only three steps

1. Connect the USB port
2. Connect the phone
3. Connect the external battery

Package Contents:

1 backpack
1 USB cable
1 auxiliary cable