The slippers and pajamas that were not my size was a bit disappointing too. Also, they didn't have a mattress so sleeping was not really that comfortable.
On the other hand, I thought that the food offering was subpar compared to other airlines. Class, Seat count, Seat pitch, Seat width, Wi-Fi, Entertainment, Power. A few minutes later, another young lady came to me and gave me the pen I was requesting. Boeing 777-300ER This content can be expanded.
Also, when I asked one of the female cabin attendants serving the cabin if I could have an Air China pen as a souvenir, she was very apologetic because she couldn't find one. I loved the fact the flight attendant asked how she could best address me when she escorted me to my seat. There it was, my first flight on Air China in first class. After the meal, one of the flight attendants came to me and gave me a thank you card.