To provide a patch material having a favorable adhesive strength on its own back side.SOLUTION: In a patch material in which a pressure-sensitive adhesive layer is laminated on a support layer, there are a plurality of pores penetrating the support layer, and when it is superimposed and pushed with a finger from the side of the support, The pressure sensitive adhesive layer of the upper side patch material overlapped and pasted through the formed hole and the adhesive material of the lower side patch material are brought into contact with each other to provide a patch material with favorable self backing adhesive strength.BACKGROUND OF THE INVENTION【課題】本考案は、自背面粘着力が良好な貼付材を提供することを目的とする。【解決手段】支持体層に粘着剤層が積層されている貼付材において、支持体層を貫通する複数の孔があり、重ね貼りをして支持体側から指で押したときに、支持体に形成された孔を通して重ね貼りをした上側の貼付材の粘着剤層と、下側の貼付材の粘着剤同士が接触することで、自背面粘着力が良好となる貼付材を提供できる。【選択図】図1
