This item has been stored at home unused. Please refrain from purchasing if you are concerned about minor imperfections. It will be shipped in an envelope via Nekopos (a Japanese delivery service). This is an ultra-lightweight, high-performance cozy (insulation bag). It uses PrimaLoft for the inner padding and an aluminum film for the outer fabric to enhance heat retention. - Keeps freeze-dried food warm while rehydrating with hot water. - Keeps cold beer cold when taking it to the mountains. - Boosts the insulation of a thermos. Size: 25cm x 25cm Weight: 43g Insulate Pouch