Absorbent Ceramic:The upper layer of coasters is made by absorbent ceramic,which absorb ability better than silicone coaster to keep your table dry Non-slip Bottom:Our absorbent coasters come with a soft cork backing design that prevents scratches and marks on your furniture,while also providing a secure grip on any surface Suitable Size:Coasters with a big 4 inches diameter size match almost all types of cups and mugs,making them fit with coffee cups, sports bottles and wine Wide Application: Elegant design, the coasters can become perfect adornment also can keep the desktop dry. As cup of coffee, wine or tep coaster, which can use in the living room, kitchen, bar, party or office and so on any occasion Thoughtful Housewarming Gifts Idea:Great idea for gifts for friends' birthday,father's day gifts,Christmas,Thanksgiving Day and other memorable days