3.5" Square 100% Natural Bamboo Coaster &ndash; Set of 6 with Holder Trademark Innovations (4 Sets of 6 Coasters Each) Made of 100% Bamboo, each coaster measure 3.5" square 4 sets of 6 coasters each and each comes with a bamboo holder For everyday use or special occasions Hand wash with mild soap and water By Trademark Innovations