The present invention is directed to a device for absorbing heat from a body. More particularly, the invention pertains to an improved device which utilizes a gel material comprising liquids and solids to absorb, over an extended period of time, heat from a body. The present invention also includes methods of providing cold therapy treatment to a user本發明係關於一種自身體吸熱之裝置。更特別地,本發明係關於一種改良的裝置,其利用一種包含液體及固體之凝膠材料自身體吸熱延長時間。本發明亦包括提供使用者冷療治療之方法。