Product Material: high quality plastic Alignment tool: about 5.5* 5.5* 5.5cm Pen length: about 9 cm long Color: blue, green Quantity: 2 pieces Package content: 2 pieces* scribe, 2* pen 1.The marker pens for the Ball Liner Marking Tool are made of high quality plastic, are odorless and non-toxic, are safe to use, and can be used for a long time. 2.Markings can be made on the front and back of the golf ball so that you can identify the golf ball yourself. 3.For golfers who play sports every day, this is ideal golf equipment that can also be given as a gift to golf enthusiasts. 4.The grooved surface design makes it easy to draw straight and clean lines on the golf ball, and we also equip it with a pen to quickly draw lines on the golf ball. This is a useful tool for finding a better angle.