Delsey Luggage Helium Cruise 21" & 25" Spin Lug, Black 2 piece set features a carry-on and 25 inch expandable 4 double spinner wheeled trolleys made from durable 1680d nylon with teflon protection for long lasting use Separate easy-access compartment allows for quick access to shoes or a jacket on both cases Overweight indicator on 25 inch shows if bag weights over 50 lbs to avoid overweight charges The size and weight restrictions for carry-on luggage vary by airline. Please contact your airline for more information. If your bag is overstuffed, it may not be approved for carry-on use by the airlines. 25x18x11.3