Best Papa Ever Coaster Grandpa Gifts 2 Pack Round Rubber Drink Cup Coasters Black A great birthday gift for Grandpa or a gift for a Grandpa to be. This 2 pack includes 2 coasters with the design pictured. Premium full color sublimation printing creates vibrant and long lasting colors. 100% polyester top and non-slip black rubber base feels just like a mousepad. Absorbant material protects surfaces from cup rings. Coasters give your table, counter top, or office desk some style and protection.