The invention relates to fasteners comprising a flexible planar backing provided with a fastening element on its upper side and/or on its lower side, wherein the fastener consists of at least one generally Y-shaped one-piece section defined by two opposing arms, which are separated from each other by a recess, and by a third arm joined to the two opposing arms and extending away from said recess, wherein the shape and size of said third arm correspond to the shape and size of said recess.

A surface fastener member includes left and right longitudinal protective wall sections and front and rear lateral protective wall sections. Each of the lateral protective wall sections includes an outer first lateral wall section and an inner second lateral wall section. The first lateral wall section is continuously placed between the left and right longitudinal protective wall sections at a predetermined height. The second lateral wall section includes a plurality of divided lateral wall bodies which are intermittently placed along a width direction, and a plurality of second engagement elements. The distance is set smaller than a mounting pitch of the first engagement elements in the longitudinal direction of the surface fastener member. According to this, when the molded surface fastener is integrally molded on a cushion body, it is possible to prevent resin material from entering an engagement element region of the surface fastener member.