SUPER LARGE CAPACITY & MULTI POCKETS - Extra large backpack owns 20+ independent pockets for large storage and organization for small items.3 main compartment,1 separate padded laptop compartment pocket,1 front zipped pocket.Both side mesh pockets outside for oversize water bottle and compact umbrella,three net compartment fit your laptop accessories.9 inner pockets for keys,pen or small accessories.With lanyard design on the shoulder strap,sunglasses is easily to hang with. TSA APPROVED & LUGGAGE SLEEVE - At Checkpoint,Unfolds the smart laptop backpack freely 90-180 degree making you quickly through the airport security and keep items tidy,exclusive designed for flight travel.This tech backpack fits under seat on an airplane.A luggage strap on the back allows the travelling backpack to be fitted on luggage/suitcase,slide over the luggage upright handle tube for easier carrying.Serve as a extra large durable backpack for travel. EXTRA LARGE & GAMING LAPTOP BACKPACK - 3 spacious main multi compartments give excellent protection for a 18.4 laptop and tablet.Exterior size of the extra large travel backpack:21.3*16.1*10.6(inches).Capacity:55L.Fits most 19,18.4,18,17.3,17,15.6,15 inch laptops,the laptop compartment is big enough for holding gaming laptop.Served as gaming laptop backpack,18.4 inch computer backpack,large capacity backpack for women men. USB CHARGING PORT & ANTI THEFT & NIGHT LIGHT REFLECTIVE - The 55L backpack with built in USB charger outside and built in charging cable inside,provides a convenient charging of your electronic device anywhere.With a hidden anti theft pocket on the back protect your valuable items from thieves.Night light reflective design on the front and the shoulder to make you be noticed in dark.Perfect choice as professional backpacks for laptop,back packing bags for men,huge backpack,adult backpack men. DURABLE & STURDY & COMFORTABLE - This mens backpack is made of high-density,light and durable,smell-less,water resistant polyester material with waterproof zippers.It's very sturdy,tear resistant and heavy duty backpack.Comfortable airflow back design with breathable mesh,thick and soft multi-panel ventilated sponge padding gives you maximum back support.Wide breathable and adjustable shoulder straps relieve the stress of the shoulders.A rugged handle with Foam padded for a long time carry on. Minimum Manufacturer Age Recommended：Over 6 years old