Add some fun and color to your furniture with these 4 inch squared foam custom coasters! These coasters are made from polyurethane foam material that is soft and lightweight. They have a thickness of 3/8 inch, which provides enough cushioning and insulation for your drinks. Come with different colors and customizable with your own photos, logos, text or artwork. Great for holding any kind of drinkwares such as cups, mugs and bottles.