A99 Golf Mini Golf Stroke Shot Putt Score Counter Keeper Key Chain Putter Counting + Retractable Reel Scores changed by press the button. Display the score from 1 to 9 for double team and 1 to 99 for one person. No batteries required. With key chain, easy carry around. Specifications: Material: Plastic + rubber, Color: Yellow,Black, White, Red(shipment at random color), Size: 6.8 * 3.5 * 1 cm, Weight: 19g