Nail sticker

A curable nail sticker, comprising:

• a soft layer,
• wherein a maximum thickness of the soft layer is increased when a pressure is applied to a part of an upper surface of the nail sticker after attaching the nail sticker on a flat floor.

A curable nail sticker, comprising:

• a soft layer,
• wherein a maximum thickness of the nail sticker is increased when a pressure is applied to a part of an upper surface of the nail sticker after attaching the nail sticker on a flat floor.

A curable nail sticker, comprising:

• a soft layer,
• wherein a rectangular parallelepiped substrate with a thickness of 0.7 mm disposed on a flat floor is prepared and the nail sticker is attached on an upper surface such that an area having a length corresponding to 70% the entire length of the nail sticker is in contact with the flat upper surface of the substrate, when measuring after a force of 38.5 N is applied to at least a part of the upper surface of the nail sticker which overlaps the substrate in a vertical direction toward a floor, the force is removed and then the nail sticker is left for 30 minutes at 36° C., a shortest distance between an area where a part of the nail sticker which does not overlap the substrate in the vertical direction and protrudes out of the substrate is in contact with the floor and the substrate is 1.5 mm or less, and
• the force is applied to an area corresponding to 40% to 80% the entire area of the upper surface of the nail sticker.