PINMEI Black Leather Drink Coasters Holder for Glass Mugs Tabletop Protection Set of 6, Round 3.9 Inch (ROUND BLACK) SIZE:3.9 inch, double-deck PU leather for better heat insulation,anti-dirty and scratch-resistant Condensation from drinks won't damage the leather coasters and easy to wiped off Match any decor and suitable for all coffee cups,sports bottles, glass and mugs in home,office,kitchen,bar,party,living room and coffee room. Each side is leather and sewn together by white thread which looks really nice Super easy to clean the black leather and they don't take on beverage stains caused by drinking glass