Size: 0.2 Inches x 3.9 Inches.Material: ceramic + wood pad, coaster upper layer is absorbent ceramic, which absorb ability better than normal silicone coaster to keep your table dry;the back of coaster is cork to prevent table from Scratched and worn. And also provide additional gripping to the land, tightly stick to the desktop.Design:Strong water absorption: quickly absorb moisture, any residue wipes clear with a wet towel and dries instantly.Washable: the place mats is easy to clean, non-fading, non-stain. Wipe Clean, and dries very quickly.Impressed Housewarming Gift: These coasters can be given as a Birthday, Holiday, Christmas, Valentines day gifts to men, women and friends. Great choice to use this coaster set at wine bar, home kitchen, restaurant, hotel room, beach table etc.Note: Wooden pad and ceramic separate, paste by yourself!