ULTRALIGHT KIT FOR INSTANT, SELF-ADHESIVE REPAIRS IN THE FIELD. The Instant Field Repair Kit makes fast, easy and lasting mattress repairs in the field. It includes all the same great self-adhesive patches that now come included with most Therm-a-Rest mattresses, and is just the insurance you need to prevent unexpected damage to your mattress from ruining your trip. Works on all current Therm-a-Rest mattresses.