Let's set the scene. It's late. You're in your tent, blowing up an air mattress after a long hike. Suddenly, a low hissing sound emits from below? Mosquitos? You wish. Your mattress has a hole. The Instant Field Repair Kit exists for these rare but crucial moments. Ideal for making fast, easy, and lasting mattress repairs in the field, or woods, the kit is ideal for your Therm-a-Rest mattress, and is the fix you need to prevent a long night on the uneven earth.