Common items people pack in their suitcases.

What's in your suitcase? Travel Vocabulary

general term for things you wear (t-shirts, jeans, etc)
pronounced the same as "close" in American English

what you put on your toothbrush to clean your teeth

what you wear to keep your pants at your waist

makes your device charger fit into the holes in the electrical outlet (power socket)

changes from 120v to 220v so your device or appliance can be used in another country

phone numbers and email addresses of family in friends in case you lose your phone and need to call home

lotion to prevent sunburn / cream to protect your skin (SPF)

extra cable and plug for your mobile device

verb: to give your bag to the airline to be put in the baggage compartment below the passengers on the airplane