Model:B6228AS8545FH1379 Convenient Practical Backpack - At checkpoint, unfolds the extra-large backpack freely 90-180 degrees making you quickly through the airport security and keep items tidy, exclusive designed for airplane travel. Also with password lock and USB charging port, easily charge your cellphone and other electronic devices everywhere, this backpack also can perfectly protect your valueable items. Multipurpose Backpack - Big backpack is perfect for indoor/outdoor activities. Served as a durable laptop backpack, professional office work bag for business, daily rucksack for weekend getaways/shopping & outdoor activities , large school backpack for Teen Boys/Girls, large notebook bag or spacious college backpack. Perfect travel gifts for men/women/college student who like international travel, camping, hiking, and overnight trip. Durable Material - Made of Water Resistant and durable polyester Fabric with metal zippers. Ensure a secure long-lasting usage everyday & weekend. Backpack with back U shaped three-dimensional ventilation design help for air convection, ventilation and heat elimination. Comfortable wide breathable mesh shoulder straps with plentiful sponge pad help relieve the stress from your shoulder. Well- Organized - Dimension: 30*16*47cm(Length* Width*Height).One separate laptop compartment hold 15.6 inch Laptop as well as 15 Inch,14 Inch and 13 Inch MacBook/Laptop. One spacious packing compartment roomy for college supplies, travel accessories, clothes, stationery, notebook, mouse,charger, books,ect. Side zipper pocket conveniently hold travel gear umbrellas or water bottle. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.