If you are looking to explore Indonesia, and then Bali, you are going to want to pack appropriately so you have everything you need for a wondrous adventure.
Backpack
If you are looking to explore Bali, you need to have a day bag where you can pack all your necessities. This bag will come in handy to pack the rest of the items on this packing list.
Sun protection accessories
Sunglasses, a hat or cap and sunscreen are must-have items when you are going to Bali. Most Bali beach resorts the likes of Anantara Uluwatu Bali Resort have shops on the premises so you might be able to get things if you do forget.
Reusable bottle of water
It is warm throughout most months in Bali so you must make sure that you stay hydrated all the time. Having a reusable bottle will help you.
Sandals and shoes
You will be exploring Bali on foot and since it is a tropical island you can wear slippers or sandals to most places but if you are looking to hike or walk long distances you must have a comfortable pair of shoes with you.