Celebrate as you please: with individually designed photo coasters, you can add that certain something to your party and avoid leaving stains behind. You can choose between rounded corners (3.9" x 3.9"), flower-shaped (3.9" x 3.9"), elegant (4.3" x 4.3"), fancy (3.9" x 3.9") and heart (5.5" x 5.1") shapes for your coasters. Note that they are not dishwasher safe.