they didn't wash the seat covers. instead they are using cent for odour.that cent is allergic to me and i got vomit on outside of the bus. the staff told me that you should not vomit outside of the bus instead,need to tell them to stop the bus and vomit. because, they need to wash the bus if i vomit outside of the bus. I don't understand how can i say if i felt vomiting when they are front of the bus where i am in 24th seat. ridiculous.