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Well insulating thermal insert for cooler bags, bottle warmers, lunch bags, seat cushions and more. It is equipped with two sides, white on the inside, similar to a flexible styrofoam fabric, the other side is silver. It can be sewn up very nicely and has a good stand, it keeps you warm but does not insulate heat. Therefore it is not suitable for oven mitts. Better to use Thermolam for this.
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