Golf marble coaster set- coasters for dad- gifts for him- golf ball, golf tee, marble stone tile custom painted drink coasters. These golf coasters would make the perfect gift for any golfer in your life! These coasters have been lovingly stamped and sealed so they are waterproof. The coasters are 4" x 4" and also feature a full cork backing for furniture protection. 1 unit is 1 coaster.