| 摘要 |
PROBLEM TO BE SOLVED: To provide a cap having a concealed display which can be easily manufactured at a low cost, and excellent in sealability and concealed display function. SOLUTION: A liner 5 is provided on an inner surface of a top plate 2 of a synthetic resin cap body 4 comprising the top plate 2 and a cylindrical portion 3 suspended from a circumferential edge thereof, a mask sheet 12 peelable from the liner 5 is provided on a center portion of the surface of the liner 5, and concealed display marks 14, 15 are provided between the liner 5 and the mask sheet 12. |
