What size is a personal bag on United?

Related questions

1. Does United Economy include a checked bag?
2. What is the difference between basic economy and economy on United Airlines?
3. Can I bring deodorant in my carry on?
4. Can you bring hairspray on a plane?
5. Can you check a bag with basic economy?
6. Can I put Charger in checked luggage?
7. What's the difference between basic economy and economy on United Airlines?
8. Does United really charge for carry on bags?
9. Can I put phone charger in checked luggage?
10. Can you bring pizza on a plane?

Tags

1. #including
2. #laptop
3. #carry
4. #shoulder
5. #small
6. #backpack
7. #maximum
8. #dimensions
9. #handles
10. #personal
11. #other
12. #inches
13. #wheels