Experience with Skudo IATA 7 kennel for dogs?any pictures of yours?

I dont know if it would be better to re-buy the one larger for my dog for our flight with Norwegian Airlines . Now I have the 6 (Skudo) size ,my dog is half maremmano shepard half setter and it’s tall and long.

I know I’ve to take size but Im very confused .

If you had experience or pictures also of your dogs in Kennel it would be amazing

Thank you