What bag should I take to travel?

A bag with a shoulder quilt. How old is it? /How old? That's about the same size, students. Look. This kind is suitable for walking around and climbing mountains. If you don't plan to climb mountains or go out, you can have a suitcase with a pull rod.

Items that must be carried:

Camera, battery, belt or underwear for hiding money, reading materials, notebook, Swiss army knife, walkman, rechargeable battery and charger, contact lens cleaning solution, backpack rain cover, umbrella or raincoat, sewing kit, spoon, sun hat, paper towel (toilet paper, etc. ), band-aid (cotton wool, gauze), condom or contraceptive, specific medicine, medicine bag, raincoat.