For your next promotion, hit all the right "marks" with your clients and customers! Never fumble around in your pocket again looking for your ball marker when you can keep it handy using the this hat clip with ball marker. Simply clip it to your hat, belt or shirt with a powerful magnet to keep the ball marker at your fingertips. The 1" x 1 1/4" leaves plenty of room for a laser engraved personal message, company name or logo.