We've added this cheerful and durable coaster set in our Colorblock design to our crazy popular line of bamboo tableware. New and improved with raised edges, so you can rest assured that there will be no spillage of liquid. Made of certified organic bamboo fiber and cornstarch, these coasters are 100% biodegradable, free of melamine and plastic. Toss these on the table alongside our bamboo dishes, bowls, and serve-ware to complete the sustainable scene. *Slight color variations are a natural by-product of the bamboo fiber Set of 4 in a gift package Made from bamboo fiber cornstarch and printed with food-grade ink Non-toxic and Compostable Dishwasher safe 3.5" in diameter (9 cm) GENERAL CARE Do not submerge or soak in water. Towel dry or vertically air dry and store in a cool, dry place Do not microwave