Make staying hydrated easy with the Matador Packable 1-Liter Water Bottle. You don’t have to lug around a gigantic bottle to drink water all day (though those are great, too). Made of TPU, this flexible water bottle folds right up to fit in your bag when it’s not in use. When it’s full, this camping bottle measures 12 inches long, four inches wide, and 2.5 inches deep. And as you drink your water, it’ll slowly start to take up less..