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 Hassle-Free Travel: The 180° opening design meets TSA standard, allowing for quick inspection and convenient boarding. Thanks to the smooth rollers, it effortlessly passes through the airport with a full underseat carry on luggage. Additionally, the luggage strap at the back allow the underseat luggage to be secured to larger suitcases Multifunctional Compartments: The main compartment provides ample space for all your travel essentials and clothing. It also includes a waterproof pocket to protect your toiletries from leaks and spills. Additionally, there's a foam-padded compartment that can safeguard two laptops up to 18 inches in size simultaneously. Three front zippered pockets offer convenient access to frequently used items, keeping everything organized and easily reachable Secure Design: Constructed from premium high density polyester, our underseat suitcase provides reliable protection against spills and cuts, keeping your belongings safe and dry. The foam-padded laptop compartment protects your laptop from impacts. The double zipper design with lock hole allows you to lock it for theft prevention Sturdy and Ergonomic: Featuring an all-aluminum trolley handle for easy pulling, this underseat rolling bag is ergonomically designed for the comfort of frequent travelers. The soft handle relieves hand fatigue, ensuring a comfortable grip throughout your journey