F4 Glidewax Rub-on w/cork 60g is a versatile glidewax, making perfectly prepared just before hitting the slopes. F4 Glidewax Rub-on w/cork 60g has cork on the backside of the box. For application just rub or dab the glidewax on the base of you ski or snowboard. Polish the wax and the base with the cork.