Coaster upper layer is absorbent ceramic,which absorb ability better than normal silicone or wood coasters,you and your guests can enjoy party without worrying about excess condensation from cold beverages,whiskey, cocktail, beer… protecting your glass/wooden table from stains or water rings. Cork on the back of the coaster can not only protect the desktop from scratches,but also provide additional gripping to the land,tightly stick to the desktop,easily handles bumps and drops. High quality coasters for drinks ,beer,pretty ethnic style pattern,the muted colors,won’t compete with the decor.make a great decoration for your home,kitchen,living room,bedroom,office,bar,cafe and so on. It’s a very decent housewarming gift. Imprint your logo on the top, show your company thoughtful service.