Trilateral Shaped Stainless Steel Coaster keeps it simple for your logo to be the center of attention! The coaster is made of 430 stainless steel and foam with durable, non-slip and heat proof to protect tabletop. Features the front side is made of foam, making it more exquisite and fashionable. Perfect using in office, cafe, milk tea shop. Obvious imprint area is perfect to show your brand and logo.