One of the most annoying things is to put your drink down at a party, and come back to find that you can’t tell which one is yours. The Chalk it UP Chalkboard Slate coasters ($20) help fix that problem. Because they’re made from the same material as chalkboards, you can write your name on the coaster and you’re good to go. No more lost drinks. You will get a set of four 4″x4″ coasters and chalk with your purchase.