Check the listing for details. 50Pcs 24mm Transparent Plastic Golf Ball Marker for Flat Position Mark Red. Color: Red, Condition: New. Listed at 11.98 USD. The golf ball position marker is usually used for golfers after the ball hits the green, you can use the "ball markers" to mark the position and pick up the ball. This action not only marks out exactly where your ball lies but also clears the attachments on the ball.SpecificationColor: RedMaterial: PlasticType: Transparent Round ShapedOverall Size: 24x8mm/ 0.94x0.31 inch(Diameter*Thickness)Packing List: 50 x Plastic Round Transparent Golf Ball MarkerAdvantage1. Made of ABS plastic, durable and impact resistant.2. Bright color and high visibility make it easy to observe and recognize.Instruction The plastic golf ball markers are mainly used after golfers hit the green and then use "ball markers" to mark positions and catch the ball. It is efficient and convenient to mark the golf position.