| 摘要 |
PROBLEM TO BE SOLVED: To provide a pleasant and convenient sleeping bag which keeps warmth well, make a user easily turn over, feel relaxed, relieved and at home when he/she is sleeping. SOLUTION: A top cover 4a which has an opening 12a for a user's face and a bottom mattress 6a are connected each other with detachable rims, and a sleeping bag 2a is formed approximate oval plan view-wise and approximate semicylinder cross sectional-wise with the inside hollow. And the sleeping bag comprises a bottom mattress, a top cover connected to the bottom mattress with a detachable rim and an approximate U-shaped stuffing bag body, and the top cover can get its upper half detached from the bottom mattress and form an opening to slip inside between the top cover and the bottom mattress, and the stuffing bag body is fixed around the user's head. This sleeping bag also has a chest where pockets and cuts to put in and keep small materials are made and openings to get hands and feet in and out partially.
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