【Lunch Bag & Laptop Backpack】Size of the laptop backpack. 17*12*9 inches, size of the lunch bag: 11*6.5*6.5 inches. Extra lunch bag allows you to keep your other items out of the smell mess, or larger backpack space to carry more items when not carrying a lunch box.（Age grading:Over 12 years old.） | 【Independent Insulation Lunch Bag】The laptop backpack includes a detachable insulated lunch bag.The removable waterproof lunch bag is made of easy cleaner aluminum foil and high quality polyester cloth for carry lunch box, fruits, drinks etc.It can keeps the food warm or keeps cooling for about 4-5 hours.Let you enjoy delicious fresh food. | 【USB Charging Port Design】 On both sides of the travel backpack, we designed USB plugs and anti-theft pockets.You can easily connect your mobile phone to USB port, charge anytime, anywhere.In order to let you quickly find the key and prevent loss，we designed keychain function in the front small pocket. | 【Multi-pocket & Large Capacity 】The travel backpack has a main pocket with laptop sleeve compartment to provide a good protection for laptops.The main compartment and elastic pocket can help you place your clothes, A4 files .The front pocket can be opened 180°, keep your personal belongings tidy. It's also a great gift for your sisters, girlfriends, mother etc. | 【Durable & Comfortable】This work backpack is made of durable polyester fabric, and the double metal zipper is easier to open / close, and it will not tear.Tote package handle design makes you carry it easier.The shoulder strap is made of breathable sponge, and it is wide enough, even if it is used in summer, will not let you feel sultry and exhaustion.This lunch backpack is perfect work, travel, and daily use.