What size bag is allowed on Ryanair?

Related questions

1. How strict is Ryanair with hand luggage?
2. What's allowed in carry on?
3. Can I bring a backpack on Ryanair?
4. Is toothpaste a solid or a liquid?
5. Does Alitalia allow carry on?
6. Is toothpaste considered a liquid?
7. How do Ryanair check hand luggage size?
8. Is a duffle bag considered a carry on?
9. Is a backpack considered a personal item?
10. Are airlines strict with carry on size?

Tags

1. #priority
2. #small
3. #passengers
4. #maximum
5. #customers
6. #boarding
7. #charge
8. #larger
9. #weight
10. #cabin
11. #sizer
12. #allowance
13. #permitted
14. #bring