Thank you for viewing! This is one cosmos coaster. The size is approximately 15cm (including the flower part). The center part is about 7cm. Please note that these are amateur measurements, so there may be some errors. Please refer to the images. The cosmos flower is created by fixing one point. Therefore, it is somewhat movable, so please adjust it yourself upon arrival. I made it based on a video by TSUMUGI, using basic acrylic yarn. The main color of the coaster is sand beige. I try my best to knit carefully, but it is a handmade item made by an amateur. There may be distortions, looseness, and fraying. Each one has a different texture and size. There are traces of yarn processing and knots from the time of purchase. The color may differ slightly from the image. Please understand and agree before purchasing. When shipping, I plan to put it in an OPP bag and send it. In that case, it may be compressed. Thank you for your understanding.