This is a set of two handmade sashiko embroidered coasters. The embroidery is done with off-white sashiko thread on gray linen fabric. The fabric has been pre-washed and interfaced. The back is patchwork made from various linen fabrics, with some additional sashiko stitching. Each side is approximately 9.5cm. I make every effort to be careful, but there may be some slight imperfections such as puckering or distortion. Thank you for your understanding.