Used as coasters, place cards, for wine-tasting notes, to doodle while you imbibe, or simply jotting down messages next to your phone, these coasters are crafted using eco-chic, food-safe silicone. They can be personalized time and again using a ballpoint pen. Offered in a variety of colors, each pattern comes in a box of four. Best of all they are beautiful to the eye, pleasing to the touch and a great way to reveal your table's natural grain. The innovative shape is a square with two subtly rounded corners to give it a modern twist. Recycled packaging reduces environmental impact. Keep away from sharp objects. Must wipe or rinse to prevent staining. Heat proof to 250 Celsius or 425 Fahrenheit. Not a trivet. Set of four.Measures 0.13 x 4 x 4 in.