Product description Lucrin - Set of 6 square coasters in a case - smooth cow leather - Light Green Set of 6 square coasters in a case that closes with a press stud.Dimensions: 3.7x3.7 inches Material description Smooth calfskin is the most widely used kind of leather and it is also the kind our clients like best. Smooth calfskin is real leather, which is to say that the material is actually leather and not flesh split. Real leather has that grain, the best part of the hide. Calfskin can be used to make all our leather articles.