These beautiful tulip coasters are made of plastic canvas and worsted weight yarn. This is a set of 6 coasters and a holder. Each coaster is 3" x 4" in size. You can customize this set! Choose 7 colors (1 for each coaster and then one for the base). You will need to send me a message with your color options. Your first color choice will be for the coaster base. Please allow 3 days for personalized orders prior to shipping. Spot clean as needed.