| 摘要 |
The present invention discloses a multiple-layer foldable hot water mat. The multiple-layer foldable hot water mat, according to the present invention, comprises: a mat portion comprising a plurality of unit mats that are divided by folding lines, the adjacent unit mats being foldable along the folding lines; hot water tubes, which are individually arranged in a zigzag inside each of the unit mats so as to not cross the folding lines, and which have at least one inlet port and one outlet port; and hot water connection tubes for connecting the inlet port and the outlet port of the hot water tube in adjacent unit mats, so that the hot water tubes do not fold and snap when the unit mats are folded along the folding lines. |
