Bonjoc Lucky Charms Siam Crystal Ball Marker. New to 2014 is Bonjoc's "Lucky Charm" line, added to the Brilliance Collection. Each unique ball marker is handcrafted with Swarovski heart-shaped crystals to complete the look of a lucky clover. Bonjoc ladies golf ball markers are an eye-catching accessory on and off the golf course. Each ball marker is handcrafted with 100% genuine Swarovski crystals and is accompanied with a complimentary magnetic hat clip. Our unique products are the perfect idea for corporate and executive golf gifts and tournament prizes and awards. All of our golf ball markers are packaged in a carrying pouch for presentation and protection.