Microfibre towels are a must. Great in the heat on a hot day to help wipe off sweat, but also handy if anyone gets a bit wet.

They are super small and light as well. I carried one round with me for my entire 2 week trip

https://www.amazon.com/Rainleaf-Microfiber-Towel-Inches-Green/dp/B01K1TX3DK/ref=mp_s_a_1_1_sspa?crid=3PQ56493LAGB0&keywords=microfiber+towel&qid=1687393478&sprefix=microfibre+towel%2Caps%2C172&sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9zZWFyY2hfYXRm&psc=1