A refrigerator comprising: a refrigerator main body having a storage room which is configured such that the storage room is thermally insulated; a door through which food is placed in and removed from the storage room; a container which extends from the refrigerator main body when the door is opened; and a cooling material which is attached to the container; wherein the container is provided with fixing means (160, 127a) which are configured to fix the cooling material, the container comprises a front side section which is located on a door side of the container and a rear side section which is located on a rear side of the container; wherein the cooling material is provided in the front side section of the container and has a food placing surface (162, 259) on which the food is placed: characterized in that the cooling material further includes food retaining means (161, 260) which are configured to prevent the food from moving to a place other than the food placing surface (162, 259); the fixing means have a recess which is formed integral with the container as being a part of a resin material that is a constituent of the container; the food retaining means (161, 260) are arranged on the food placing surface for placing the food on an upper surface of the cooling material, and have a shape that is protruding at least from a rear side of the cooling material; and the fixing means (160,127a) further have border, which is located between the food retaining means (161, 260), which is provided in the front side section, which is used as a storage region with the cooling material, and the rear side section, which is used as a storing part (163, 263), which is a general freezing region without the cooling material, wherein the border is formed smoothly via an inclined part. a refrigerator main body having a storage room which is configured such that the storage room is thermally insulated; a door through which food is placed in and removed from the storage room; a container which extends from the refrigerator main body when the door is opened; and a cooling material which is attached to the container; wherein the container is provided with fixing means (160, 127a) which are configured to fix the cooling material, the container comprises a front side section which is located on a door side of the container and a rear side section which is located on a rear side of the container; wherein the cooling material is provided in the front side section of the container and has a food placing surface (162, 259) on which the food is placed: characterized in that the cooling material further includes food retaining means (161, 260) which are configured to prevent the food from moving to a place other than the food placing surface (162, 259); the fixing means have a recess which is formed integral with the container as being a part of a resin material that is a constituent of the container; the food retaining means (161, 260) are arranged on the food placing surface for placing the food on an upper surface of the cooling material, and have a shape that is protruding at least from a rear side of the cooling material; and the fixing means (160,127a) further have border, which is located between the food retaining means (161, 260), which is provided in the front side section, which is used as a storage region with the cooling material, and the rear side section, which is used as a storing part (163, 263), which is a general freezing region without the cooling material, wherein the border is formed smoothly via an inclined part.