Caroline's Treasures 8336FC Mermaid Foam Coasters (Set of 4), 3.5" H x 3.5" W, Multicolor Set of 4 Foam Coasters - 3 1/2 inches by 3 1/2 inches Permanently dyed and fade resistant. Material: Polyester Washable in the top of your dishwasher Made from our mouse pad material and is heat resistant up to 400 degrees Printed in the USA