Tyvek—the stuff contractors use in walls to make houses waterproof. It will also protect you from the elements when you’re camping. This material is:
Find a hardware store sell it by the yard. An 8 x 10 foot piece for backpacking should be sufficient.
Replace Your Stove with a Soda/Coffee Can
All you need are two aluminum cans, a knife to cut the cans in half and to poke holes in them. And there you have it…. an alcohol-burning stove that weighs very little, but still has plenty of heat to boil water.
Coffee can stove aka obo stove
Make a Lantern from a Water Bottle and Headlamp
If you have a transparent water bottle and a headlamp, there’s no need to buy a lantern to create ambient lighting for your camp table. Just wrap the headlamp around your full water bottle, with the bulb facing in, and you have a lantern.