Airline Approved: Carry on luggage with wheels measures 17.4" H x 13.2" L x 7.5" W (including the height of the wheels), meeting approved airline carry on luggage dimensions. It easily fits into overhead bin and under the seat. This underseat carry on luggage with wheels complies with major airlines' published carry-on luggage and personal item size requirements, including Delta Airline; Southwest Airline; Spirit Airline, etc TSA-Friendly 180° Lay-Flat Opening: The 180° flat-opening design allows quick TSA screening without unpacking, saving time during busy airport checks. Perfect for business trips and short travel where speed and convenience matter Smart Storage for Short Trips: The spacious main compartment fits clothing and travel essentials for short trips, while a waterproof pocket keeps toiletries separated from other items. Three front zippered pockets offer easy access to travel documents, chargers, and daily essentials Dual Laptop Protection for Work & Travel: A dedicated foam-padded compartment securely holds up to two laptops (up to 17.3"), protecting your devices from bumps during travel. Ideal for professionals carrying work and personal laptops on the go Smooth Rolling & Comfortable Carrying: Equipped with smooth-rolling wheels and a sturdy aluminum trolley handle, this underseat rolling bag glides easily through airports—even when fully packed. The soft grip handle reduces hand fatigue, making it comfortable for frequent travelers. A rear luggage strap allows secure attachment to larger suitcases personal item, small rolling underseat carry on softside luggage/bag with wheels under seat bags for airplanes/airlines