4"-5" Extra Quality Brazilian Agate Drink Coasters Set of 4 with Deluxe Gift and Storage Box. Includes Protective Rubber Bumpers and Certified Agate Information Card. - Purple Premium Quality, Polished One-of-a-Kind Natural Brazilian Agate Slices. Each set is unique due to naturally occurring color & pattern variations Includes The Royal Gift Shop Deluxe Gift and Keepsake Box with Protective Foam Pads Protective rubber bumpers attached to protect surfaces Shape & design tastefully accomodates a variety of drinkware. Certified agate information card included