| 摘要 |
PROBLEM TO BE SOLVED: To provide a convenient cushion used by optionally selecting different seating forms by a user. SOLUTION: A bag body is internally filled with a filler, and has a front surface formed with a seat surface made of an elastic material. One of the bottom surface or back surface of the bag body is made of the elastic material, and the other of them is made of a non-elastic material. COPYRIGHT: (C)2010,JPO&INPIT
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