【Top Material & Superb Technology】Our travel backpack are made of top 290 twill composite fabric. There are 148 procedures involved in the manufacture to ensure the quality. The backpack is waterproof and keep your items from getting wet. Note: Goods purchased in our store are exchangeable lifetime if any problem happens. | 【As Personal Items Approved by Most Airlnies】The carry on backpack measures 16.53 x 11.41 x 7.87 inches(L x W x D) and weights 2.5 pounds(1.14 kg). It meets airline personal-item requirements. The 90-180° free open is tsa friendly which allow you pass the security check in short order. They are perfect for traveling, business trip and shcool. | 【2 Complimentary Toiletry Bags】The package comes with two waterproof clear bags, measuring 8.07 x 5.91 x 2.36 inches and 6.69 x 4.72 x 2.36 inches. The clear bag stores the washing articles neatly and cleanly and has the advantages of convenient use and portability. | 【Padded Laptop Compartment & Large Capacity】The padded laptop compartment can hold 17.3 inch laptop and also protect electronic products from bumps and bruises. In addition, the backpack has a large capacity , a dry-wet compartment and several pockets, which meet your short trips and business needs. | 【Charging Hole & Anti-Theft Design】The charging hole desgin allows data cable pass through, so you can charge your phone while walking, reduce the burden on your hands and avoid missing important messages. Also, the anti-theft pocket on the back of the mens backpack allow you to put mobile phone, passport or wallet in it. | 【Human Engineering Design】Padded And Breathable mesh back panel of this computer bag design help for the air convection, ventilation and heat elimination. Breathable and adjustable shoulder straps relieve the stress of shoulder. In addition, the chest strap prevent the shoulder strap from slipping effectively. | 【Widely Used & Best Gift Choice】Our womens backpack serve you as carry on backpack/ duffle bag/ shoulder bag/ travel bag/ laptop backpack/ suitcase/ briefcase/ casual bag. Meanwhile, it is also the best choice of gifts. Your son/daughter/mate/friend will love this practical and beautiful gift so much.