Purchased 2 of these. Like others, I had a poor experience with this bag when using it for air travel. At first, the bags seems to be made of very durable material. However, we checked-in our bag while traveling this past week and the bag had 3 holes when we landed at JKF, then had a full on rip on the return flight which punctured the car seat’s material on the way back (see pictures).
This would only be useful for air travel if you plan on taking the car seat all the into the aircraft (Rainier’s are FAA approved).
Diono won’t honor their warranty on this, no where in the product description does it say this isn’t meant for checked luggage.