Patent ID: 7490386

Claim:
A snap fastener comprising a female part to be clamped on a first flap of a fabric material, and a male part to be clamped on another flap of said fabric material, said female part comprising an active element and a clamping element, wherein said clamping element of said female part comprises a clip of elements lockable on said active element of said female part, said active element of said female part comprising a plurality of resilient wings arranged with an annular arrangement and snap engaging with a projection of said male part, said active element of said female part having a visible top surface, said clamping element of said female part having a top surface, said active element of said female part including a plurality of throughgoing openings allowing said top surface of said clamping element of said female part to be seen, said active element and clamping element of said female part having different surface finishes.