The 2 in 1 bottle opener coasters are made of leather and stainless steel. It includes an integrated bottle opener perfect for when you want to crack open a fresh bottle and set it down safely anywhere. This multifunctional bottle opener coaster is suitable for both home use and professional places such as offices,bars and restaurants. The coaster is sized to fit most beverage containers such as cups, cans,glass bottles,wine glasses,etc. Designed for all types of hot and cold drinks, including coffee, tea, wine, whiskey, and beer, and even protects your surfaces from candle wax.