Enhance the fun in any room with pin art coasters. These custom coasters will brighten up any tabletop, whether at work or play. With plenty of designs to choose from, you can create the perfect gift for a loved one - or yourself! They look great on a table and are big enough for all cup sizes. Create your own personalized cup coasters. All coasters are 4" in size and created with 121 colored pushpins inserted into black foam board. Coasters are lightweight, able to withstand water and spills and are easy to clean. It's time to drink with style!