| 摘要 |
PURPOSE: A bag used as a mattress is provided to use the bag as the comfortable mattress while a user is protected from moisture in outdoor activities and to do outdoor activity not having both the bag and the mat. CONSTITUTION: A bag used as a mattress comprises: a cover which is equipped with a first main body part, a bottom part, and a second body portion having mutually symmetry with both sides of upper, middle, and bottom part on a base(20); a first retention element which are put in the cover and fixed to the base or a plurality of the first main body; a second supporting member which are respectively fixed to a plurality of bottom parts; a third supporting member which are put in the cover and respectively fixed to a plurality of second body portions; and a radiating unit(50) fixed on the top of the first retention element. |
