Carbon Fiber Coasters Set of 2 by Centri Designs GENUINE MATTE FINISH 3K TWILL CARBON FIBER STRONGER THAN STEEL, LIGHTER THAN ALUMINUM: At just 1mm thick, these coasters only weigh 10.1 grams yet incredibly strong SCRATCH RESISTANT: The Matte finish was formulated to resist scratches ELEGANT MODERN DESIGN: You will have a functional piece of art to show your friends ATTENTION GRABBER: This is a great conversation starter