A refrigerator comprising: a sliding door including a wheel; a lower frame including a lowering part into which the wheel is lowered when the sliding door moves to a fully closed position, the lower frame being configured to guide a lower side of the sliding door; an upper frame configured to guide an upper side of the sliding door; and a first sealing member (S1, S3, S4) including a first attaching part (SN1, SN3, SN4) and a first end part (SS1, SS3, SS4), the first attaching part (SN1, SN3, SN4) being a portion attached to the sliding door, wherein a cross-sectional shape of the first sealing member (S1, S3, S4) taken along a plane perpendicular to a movement direction of the sliding door is an arch shape, wherein the first attaching part (SN1, SN3, SN4) is located on an uppermost side in the first sealing member (S1, S3, S4), wherein the first end part (SS1, SS3, SS4) is located on a lowermost side in the first sealing member (S1, S3, S4), and wherein when the wheel is lowered in the lowering part, an outer peripheral surface of the first sealing member (S1, S3, S4) makes intimate contact with the upper frame or the lower frame, characterized in that the refrigerator further comprises a second sealing member including a second attaching part and a second end part, the second attaching part being a portion attached to the upper frame, wherein a cross-sectional shape of the second sealing member taken along the plane perpendicular to the movement direction of the sliding door is an arch shape, wherein the second attaching part is located on a lowermost side in the second sealing member, wherein the second end part is located on an uppermost side in the second sealing member, and wherein when the wheel is lowered in the lowering part, the first sealing member (S1, S3, S4) makes intimate contact with the second sealing member and the upper frame. a sliding door including a wheel; a lower frame including a lowering part into which the wheel is lowered when the sliding door moves to a fully closed position, the lower frame being configured to guide a lower side of the sliding door; an upper frame configured to guide an upper side of the sliding door; and a first sealing member (S1, S3, S4) including a first attaching part (SN1, SN3, SN4) and a first end part (SS1, SS3, SS4), the first attaching part (SN1, SN3, SN4) being a portion attached to the sliding door, wherein a cross-sectional shape of the first sealing member (S1, S3, S4) taken along a plane perpendicular to a movement direction of the sliding door is an arch shape, wherein the first attaching part (SN1, SN3, SN4) is located on an uppermost side in the first sealing member (S1, S3, S4), wherein the first end part (SS1, SS3, SS4) is located on a lowermost side in the first sealing member (S1, S3, S4), and wherein when the wheel is lowered in the lowering part, an outer peripheral surface of the first sealing member (S1, S3, S4) makes intimate contact with the upper frame or the lower frame, characterized in that the refrigerator further comprises a second sealing member including a second attaching part and a second end part, the second attaching part being a portion attached to the upper frame, wherein a cross-sectional shape of the second sealing member taken along the plane perpendicular to the movement direction of the sliding door is an arch shape, wherein the second attaching part is located on a lowermost side in the second sealing member, wherein the second end part is located on an uppermost side in the second sealing member, and wherein when the wheel is lowered in the lowering part, the first sealing member (S1, S3, S4) makes intimate contact with the second sealing member and the upper frame.