Congrats for choosing to go on a short term mission trip! Here are some helpful items to bring

In backpack:
Passport (or ID if staying in country)
Credit/bank cards, and Cash
Medicines, including motion-sickness
Cell phone and charger
Empty water bottle
Small packaged snacks

In suitcase:
Bible and written Testimony
Sunscreen, bug spray, hand sanitizer, wipes
Personal hygiene items
Hat & sunglasses
T-shirts for ministry days + 2 extra
Under garments including PJ’s and socks
Shorts/pants
Church outfit
Tennis shoes, flip flops
Modest swim suit & towel
Ministry stuff (sports equip, items to hand out, gifts, etc)