| 摘要 |
PROBLEM TO BE SOLVED: To provide a frozen pillow cover having functions from which a user can choose one depending on a use such as a fever requiring cooling or a sound sleep requiring mild coolness and hygienic and well designed. SOLUTION: A fabric for the side 1a of a fish-shaped frozen pillow cover 1 (body) and a fabric for the side 1b are different in thickness.
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