Pack things in a backpack because you will find it easier to walk through the jungle.
Boots, but you can also buy them at Pucallpa or Honoria.
A flashlight, the best one is for the head.
Wardrobe with long sleeves and legs, rain jacket, towels, underwear, for hygiene if you can ecological soap because of the river, book, mosquito repellent.
The advice is to keep mobile phones and other equipment with PVC bags with a zipper. This is a recommendation due to the high humidity, and the evaporation of The Boiling River.