JetPaws - The Official Pet Carrier of JetBlue Airlines Your furry little friend will love to travel in our comfy soft-sided JetPaws carrier, designed to fit easily under JetBlue"s cabin seats. This unique pet carrier features JetBlue"s travel is a small pet carrier specifically designed to fit under JetBlue"s cabin seats. Since pets have different heights and lengths owners should use the measurements shown below to determine if their pet will fit comfortably inside the carrier and has the ability to move around. As pet carriers are often associated with trips to the vet, please allow sufficient time for your pet to become accustomed to their new JetPaws Carrier before traveling.