Listing is for single coasters (Please be aware that if you select the quantity of (1) you will only receive ONE coaster, not a set.) Buy as a single or mix and match colors to build a custom set. There are over 30 colors to choose from for coasters! All color options are shown in the last 3 photos. •Made from Acrylic Yarn •Hand wash/spot wash and lay flat to dry •Reusable •Eco Friendly •Each coaster is approximately 3in x 6in •Can place hot or cold cups on coaster