Our golf hat clips fit easily onto any caps, belts and pockets. Quantity: Pack with 2 hat clips. Ball Marker not included: Golf ball markers are not included, hat clips only. Magnetic hat clip: golf ball marker not easy to loose and fall off. Feel free to contact us if you have any questions, we will reply you within 24 hours This is a standard golf hat clip for most ball marker, and fits most hats and visors.