Be it high tea or a cocktail night with friends, a luxurious set of coasters can elevate the look of whole your table while protecting it from spill stains and marks! Use this coaster on your work desk for your coffee mug. These coasters are made from natural gemstones that have unique healing energies of their own. Placing them in your house and workspace can help create a wonderful flow of positive energy and cleanse the aura around the coasters.