One Putt Golf White Stripe Ball Marker comes with exceptional detailing and unique design for lining up your putts when marking. Made of metal with a chrome finish. These have a good heavy feel to them and are well made. They will be easy to find if you carry it in your pocket. They are not magnetic they attach well to our magnetic hat clips and necklaces. Measures 1.125″ tall by 1.125″ across which is close to the size of a 50 cent piece.