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 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 on which the food is placed: characterized in that the cooling material further includes food retaining means which are configured to prevent the food from moving to a place other than the food placing surface ; 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 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 further have border , which is located between the food retaining means , 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 , 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 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 on which the food is placed: characterized in that the cooling material further includes food retaining means which are configured to prevent the food from moving to a place other than the food placing surface ; 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 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 further have border , which is located between the food retaining means , 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 , which is a general freezing region without the cooling material , wherein the border is formed smoothly via an inclined part . <EOS>