| 摘要 |
PROBLEM TO BE SOLVED: To provide a split type mattress whose size can be arbitrarily changed according to a use. SOLUTION: A cushion material 3 is accommodated in the inside by placing an opening and shutting means 2 in a cover 1, and a first mattress A, in which a combination means 5 is attached to a protruding part 4a of a tape member 4 by attaching the tape member 4 in a cover 1, and a second mattress B, in which a cushion material 13 is accommodated in the inside by placing an opening and shutting means 12 in a cover 11 and a combination means 15 is attached to the surrounding part of a cover 11, are removably provided by the combination means 5 and 15.
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