Popular Trooper Mask Print Silicone Drink Beverage Coaster 4 Pack Keep water rings off and protect your nice coffee table and furniture. Designed and Manufactured by PoshPrints. Thin silicone material, flexible, no slip and slide silicone coasters. Made from high quality vinyl material. Easy to apply. Set of 4 coasters; great for home or office. Makes great gift for friends, teacher, or boss. Quality image; will not fade over time