【Large Capacity & Multi-Pocket】With 40L capacity, Sinaliy travel backpack is large enough for 3-7 days short trip, and carrying laptop up to 17.3 inch. The multi-pocket separation design of this backpack makes your travel more convenient, including 2 water bottle pockets, front pocket, main compartment, laptop compartment, anti-theft pocket and etc【Flight Approved Carry on Backpack】Size of this Sinaliy travel bag is 46*32.5*20cm/18.1*12.8*7.9 inch, which meets the personal item size requirement for most airlines, so you can place this travel backpack for women in the overhead bin or under the seat to save extra luggage fee. The 180-degree free opening and closing design allows you to pass TSA inspection more faster【Thoughtful Design 】The traveling backpack features adjustable chest buckle design, which will effectively reduce pressure on your shoulder and bring you more comfortable wearing. Besides, the trolley sleeve frees your hands and shoulder, the anti-theft pocket on the back provides protection for your valuables, and the charging port design allows you to charge while walking, giving you an excellent travel experience【Two Extra Packing Cubes】Personal item backpack includes two packing cubes measuring 10.24*7.87*3.15 inch and 8.66*2.36*5.7 inch. The bigger one can be used to store dry items such as towels, T-shirts, and the smaller one can be used to store cosmetics or toiletries, so that you can use the travel bookbag more clean and tidy【Sturdy & Long Service Life】The fabric of this 40L large travel backpack is waterproof and anti-scratch, will not easily break, the shoulder strap joint adopts double-sided sewing process, stronger metal zipper, which ensures you a longer service life, luggage backpack is definitely a good partner for your short trip【Versatile & The Best Gift】This versatile personal item travel bag is suitable for a variety of scenarios, such as travel, camping, hiking, college, which is ideal gift choice for daughter, son, mother, father, friends at Christmas, Thanks giving days, Mother’s Day, Valentine’s Day and etc. Please feel free to contact us if encountering any problems, we will provide you with a satisfied solution within 24 hours