The carry on backpack is made of water repellent oxford fabrice with high density nylon lining, prevent your laptop or other electonic items from getting wet and dirt.
Expansion Design
Normal size for daily uses suitable for worker. After expension can be a travel backpack suitable go to on trips without carrying multiple bags and keep your stuff on you.
Large Storage Compartment
Hold daily necessaries like cloth, notebooks, magaines and headphone etc
Ultimate Organization
The good padded sleeve gives you enough and safe space for your 17.3" laptop, tablet, ipad.
Four-layer Pockets
The four-layer can accommodate clothing, laptops and toiletries etc. make your business trip or travel more conveniently.
Side Pocket
side pocket for umbrellas, water bottles
Shoes Compartment
shoe storage is wide enough to hold shoes and also be used as toiletries bags and for other uses.
Adjustable Chest Buckle with Emergency Whistle(SOS)
Adjustable chest strap can prevent shoulder straps from slipping. You can blow the emergency whistle for SOS when in danger like shipwreck outdoors or travel.
Luggage Strap
Business backpack with luggage strap fits on luggage / suitcase, slides over the luggage upright handle tube for conveniently carrying.