This coaster set by?Sweese is in high quality and has a elegant appearance, perfect for cups or bowls at home or in restaurant, office and other occasion. Healthy Material The coaster set is made from 100% organically grown bamboo and hard-paste porcelain. They are eco-friendly, non-toxic without any chemical smell. They are durable and will definitely last long. Function Well They work well for drinks. The ridges help absorb any moisture so your glass or cup does not stick to the coaster. The layered cork bottom make it do not slide across your table. Clean Easily They have a smooth surface and are stain resistant. You can hand wash in warm soapy water, but keep dry. Good choice to protect your personal furnishings. Stylish Appearance The beautiful and well-crafted coasters blend well with any table top. They can protect your table from soiling, and are great decoration for your home. Specifications Dimension: 4.6*4.6*1.5 inch. Material type: Organically grown bamboo Package: 4 coasters and 1 holder Best Gift Option It is packaged in a well wrapped box, a perfect gift for your friends and family or for house warming, restaurant, party, Mothers Day, Fathers Day, Christmas and New Years Day.