| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet which is so formed as to be made discriminatable of a segment to cover a mattress and a segment to cover a coverlet even if the entire part is not spread and to be rapidly laid. SOLUTION: The sheet S1 has an under sheet 1 which has an approximately rectangular shape in plane view, an upper sheet 2 which has an approximately rectangular shape broader than the under sheet 1 and shorter in length than the same and extension width cloth 3 part across the under sheet 1 and the upper sheet 2 in both sides on the foot side of the under sheet 1. A return section 20 into which the coverlet is insertable is formed on the head side of the upper sheet 2.
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