Absorbent car coasters! They absorb their weight in condensation! 2 5/8" round x 1/4" thick. Made in the USA. Before you add this product to your cart, it is very important that you review the text you have entered. Please check for spelling or typographical errors, including punctuation and capitalization. Your satisfaction is very important to us, and we will create your sign exactly as entered. Due to the custom nature of this product, we will not issue refunds or returns for incorrect information that you provide to us.