"You will have to replace the tire after using this because it makes the tire unpatchable. But if you can't or don't have time to put on a spare tire or pump up, this would be useful. Get the bigger 20oz size if you have large SUV-like tires."
"You can survive months without food (insects are tasty in a pinch), but you can't survive 2 days without water. The bladder can be made to fit into any shape."
"For cold weather situations. Find a sleeping bag that compacts into a small stuff sack to save space. A fleece blanket can be adequate depending on your climate."
"Probably don't need this in the car but useful in the garage if your battery is dead and you need enough juice to start your engine and drive to the repair shop."
