These personalized glass coasters or 4" x 4" and made of tempered glass for higher durability. Coasters are not see through and have a whit print coat on the back so your image can be embedded. These coasters ship as shown with your personalization. Coasters come in a set of 4 or 6 and all feature the same design. Please type your personalization EXACTLY as you would like it to appear. Your image is embedded onto the back and will not rub off. Hand washing is recommend. A proof will be provided to you after purchase to eliminate dis-satisfaction! Your item will be shipped within 7-10 days from time of your proof is approved. Keep in mind colors may vary slightly from your proof to your delivered product due to browser and monitor settings.