Product Details Product Details Set of 4 CoastersEach Coaster Measures 4"x4"Full Color Printed Graphics on Stain-Resistant SurfaceNon-Skid Cork BackingIncludes Caddy for Storing Officially Licensed No Boilermakers house is complete without this Purdue Boilermakers Coaster. This Coaster features a full-color team logo. Hail Purdue!