INSULATED LUNCH BOX COMPARTMENT - The lunch backpack with a insulated cooler compartment,which can keep foods and drinks cool or warm about 3-5 hours(If you put 1-2 packs of ice packs, cold drinks can be kept more longer), easy to clean and storage when not use,perfect for school, work, office, picnic, hiking, camping, cycling, other outdoor activities and daily life use. Besides.Dimension of the cooler compartment: 14.5 x 6.7 x 7.8 inch, can hold up to 12 liters by volume.
PLENTY OF STORAGE & POCKETS- Large backpack for men own 1 separate thicker padded laptop compartment to hold up 17.3 inch laptop. 3 main compartments with double zippers can accommodate 50 liters of things, such as books, lunch, clothes and school supplies, travel accessories and other daily necessities. Both side water bottle pockets outside for holding water bottles or umbrellas. More than 15 functional pockets ensure you to keep your personal belongings well-organized and get them easily.
TSA APPROVED & MULTIPURPOSE - Convenient at Checkpoint, can be opened the extra large backpack freely 90-180 degrees making you quickly through the airport security and keep items tidy, exclusive designed for airplane travel. The big backpack is perfect for indoor/outdoor activities. Suitable as large travel backpack, large laptop backpack and work backpack for men. Perfect for work/commuting/occasional international travel/weekend trips/airplane trips/hiking camping/overnight trips.
LARGE SIZE & DURABLE MATERIAL- the 17 inch laptop backpack Dimension: 18.9" x 13.4" x 7.9". weight: 2.07lb, Capacity: 50L, separate padded laptop compartment hold for 15.6, 17 and up to 17.3inch Laptop/computers for boys and girls, teens, adults, women, men and teacher. The large rucksack made from high quality polyester fabric Anti Scratch with high density nylon lining for better TEAR and WATER RESISTANT and heavy duty backpack. School backpack is an idea gift for men women.
FUNCTIONAL & COMFORTABLE - The black backpack for men with built in charging cable offers a convenient way to charge your phone and other electronic devices while walking. The back of the 50l backpack uses a comfortable and breathable mesh design, Comfortable wide breathable mesh shoulder straps with plentiful sponge pad help relieve the stress from your shoulder. One sides of the shoulder strap with lanyard design, can hang sunglasses. Perfect choice as picnic backpack for men women.

 
 
Product Description
 
 
 
 
 FOR SCHOOL - The school rucksack with lunch box compartment, perfect back to school to carry food, fruit and drinks. A nice choice for college backpack for men and women, big school backpack for boys and girls, school bag for teens, also fit for high school backpack, middle school backpack, nursing students backpack. With a lot of pockets, makes your school stuff organized perfectly. 
 
 FOR TRAVEL - Perfect for international Travel / Weekend short trip / Airplane travel / Outdoor Hiking Camping / overnight backpack for men women with the large capacity USB charging backpack, will be a good travel backpack for men and women. 
 
 FOR BUSINESS - Suitable for business trip, a good choice for business laptop backpack for men and women, work bag, travel rucksack, office backpack, notebook backpack, usb backpack, water resistant backpack and the anti theft backpack for your business trip. 
 
 FOR OUTDOOR - The cooler backpack is suitable for both men and women. It can be used as a picnic backpack, insulated backpack, beach cooler backpack, hiking backpack, camping backpack, or outdoor activities backpack and so on. The backpack come with Lunch Box Compartment, will be a good lunch backpack for men and women. 
 
 
 
 
 
 FOR GIFT - Graduation gifts for middle school/college students, office workers, travelers, men, women, boys, girls, kids, teenagers. The best gift choice for men and women as Valentine's Day Gifts, Thanks giving Day gifts, or Christmas gifts. Special birthday day gift for him or her, your husband, daughter, son, father, mother and as a gift for friends. It can be served as a large work backpack, large business backpack, large laptop backpack or large travel backpack. 
 
 
 
 
 
 Feature of this large travel laptop backpack 
 
 1. Luggage strap allows the mens backpack to be fitted on luggage, slide over the luggage handle tube, less burden on your shoulder and back when on the go. Also fit under seat 
 
 2.17.3 inch laptop backpack is well made of water resistant and Polyester Fabric with metal zippers, which perfects for business traveling, professional office work bag and other outdoor activities, college high school student backpack for boys girls. 
 
 3.The high quality insulation layer in lunch box bag compartment With inner high-density foam and leak-proof liner, making sure anti-leaking. Keep cool or warm about 2-4 hours. 
 
 4. The travel backpack men with anti theft back pocket to good protect your valuable items from thieves, store your valuables such as passport and money when traveling so no one can get into it without you feeling it. 
 
 5. Side compression straps keep the laptop rucksack for men at whatever size you requires. Preventing your items from sloshing around. 
 
 6. External pockets on both sides are made of elasticized mesh, expands to secure various size water bottles and compact umbrella. 
 
 7. Backpack with USB charging port. USB charger port is convenient external connections, it offers easy access to charge your devices. Very handy and fashionable. 
 
 8. As an everyday backpack, luggage backpack, laptop travel backpack, computer backpack for men, xl backpack for men, business laptop backpack, cooler backpack for women men adult teens or daily use at anywhere. 
 
 9. Perfect for occasional international travel / weekend short trip getaways / airplane travel / outdoor hiking camping backpack for men women / overnight backpack with large capacity 
 
 Warm Tips: 
 
 1.This is Water-Resistant backpack, can be used in drizzle days. Please do not expose it to heavy rain for a long time without any rain cover 
 
 2.Use 1-2 ice packs instead of ice cubes, it could avoid cutting the leak proof material inside the bag. 
 
 3.If you need to store food, you could put food or drink to food compartment first and then put daily things into the large compartment. If the lunch compartment not in use, you could put more daily things in it