Device for surface sampling, comprising: a flat material layer comprising a surface portion and a circumferential edge portion defining the boundary of the surface portion, further comprising a sampling volume, wherein the sampling volume is adapted to comprise a filler device for filling out the sampling volume, a protective layer arranged on the surface portion of the material layer by an adhesive arranged on the material layer, wherein a portion of the protective layer extends beyond the boundary of the surface portion for facilitating a removal of the protective layer from the material layer.