| 摘要 |
PURPOSE: A cushion for a student is provided to comfortably support the back of the student when the student is sitting on a chair. CONSTITUTION: A cushion for a student comprises a main body(21), an opening part which is formed on the bottom of the main body, and an air cushion layer(23) which is prepared in the front of the main body to be expanded and contracted in the front of the main body. The air cushion layer comprises first and second air cushion parts(24,25), and a third air cushion part(27) which is formed in the front of a back of head protective part. |
