Set of four handmade crochet coasters. Many combination of colors available. Each piece is 4 1/2 inches diameter. They are made of acrylic yarn, in a smoke free home. We recommend handwashing and laying flat to dry, for a better shape keeping. You can use them for wineglasses or mugs as well. Please be aware colors can differ depending on your computer screen. Wineglass shown is not included, is used for size reference only.