Going Mah Jong?! Then it's time to up your game table! Natural marble coasters make a rock-solid gift for the game day hostess-with-the-mostest! Each heart-shaped coaster is a different color, edged in silver and/or gold. Cork bottoms protect tables from drips and rings. Set of 4 comes with a velvety black bag for easy gifting. Handcrafted of food-safe natural marble. Size: 4" x 4"