questech hammered copper texture drink coasters, copper metal finish, set of 4 questech questech decorative coasters for drinks are american made and hand crafted with a variety of beautiful relief designs and patterns. our original cast metal finishes that make them perfect as an everyday home accent and great choice for entertaining in style. the cork backing helps to protects surfaces from scratching and staining while preventing drinks from slipping or spilling. they also make a thoughtful gift for the new homeowner, the coffee loving remote worker or as a creative thank you gift to the consummate host. package includes: a set of 4 round 3.75 inch drink coasters product benefits protect your furniture: prevent water rings, scratches and stains on all of your nice surfaces and tabletops. our coasters are cork backed to prevent scratching and slipping. room accent: a simple and effective way to add the perfect finishing touch to your kitchen, coffee table, dining room, deck or poolside patio. great for modern, rustic and bespoke décor accents. easy to clean: no special cleaners required, simply wipe with a damp cloth. premium material: questech products are made of light weight cast stone and cast metal composite material which combines real premium stone and metals such as nickel silver, bronze and iron with polymers and ceramic for a high quality finish. scratch and rust resistant: ideal for any application because our patented q-seal technology provides a scratch and rust resistant surface that protects against stains.