room for the rest of your stuff. it also needs to have small pockets on the inside to help corral items that could get lost such as keys, cell phone, and lipstick.
exterior pockets. an exterior pocket on the side of your purse is so helpful for things you don’t want in your hands, but need easy access to, such as your boarding pass.
easy to carry. you have to be able to carry your purse on your shoulder or strapped to your suitcase. it would be very difficult to travel with a purse that you had to carry in your hands. i like two straps that are at least an inch 