Handcrafted in Hidden Springs, Idaho USA and made from laser-engraved wood veneer over 1/8th Natural Birch Core and backed with real cork. These are unique, high-quality and authentic real wood coasters, that will look fantastic in your store. THIS IS A 4-PACK OF COASTERS - Two of each style, Black Walnut Sky & Bamboo Sky. Our Promise: Sustainably Sourced Wood, No Exceptions: We purchase wood products and wood veneer only from FSC certified suppliers. The Forest Stewardship Council promotes environmentally sound, socially beneficial and economically prosperous management of the world's forests.