50% thicker than our WKA-EB17 Coaster, Corner of coaster features a built-in bottle opener, Coaster bottom is EVA foam. Complies with Prop 65. 3.375" L x 3.375" W x 0.1875" H. Price includes a 1 Colour Imprint. Imprint area is 3.29789999" W x 3.29789999" H on Top, Less Opener Area. Call for multi-colour or multi-location imprints or for rush delivery availability.