Airlibiano Rolling Personal Item laptop case Airlines Frontier & Spirit Airlines Black Size 16"14"8" is slightly smaller than the restriction (18"14"8"), but perfect for Frontier Airlines as a Rolling Personal Item with a15" Laptop sleeve for Under Seat with a15" Laptop sleeve for Under Seat With Weekend-trip Capacity. 1200D tough materials water-resistance, telescopic controllable heavy-duty handle with the height 41". It is also the size as a free carry on for most of the airlines. 5.8lb with the tested capacity of 25-30LB. Friendly Reminder: Please Do NOT Pack Too Much. Or It may cause the bag oversized.