An ice or heat pack is provided. The ice or heat pack includes a body containing medium and having a first surface and a second surface opposite to the first surface, and a material layer overlying at least one of the first and second surfaces of the body. The surface of the material layer away from the body includes a loop or hook surface. The material layer includes at least one continuous portion or four separate portions.本發明提供一種冷熱敷袋,包括:本體,具有第一表面與第二表面,該第二表面相對於該第一表面,該本體內含介質;以及材料層,覆蓋該本體的該第一表面與該第二表面的至少其中之一,其中該材料層遠離該本體的表面包括毛面或勾面,且該材料層由至少一連續部分或四分離部分所構成。