Birch Coaster, 0.5 inch thick x 3-5 inch diameter (set of 8) 8 coasters per order. Beautiful slices of white birch to accompany your rustic theme! Perfectly proportioned at approximately 0.5 inch thick x 3-5 inch diameter Kiln dried to sterilize, wick away moisture, and preserve the integrity of the natural bark. Each product is unique and carries its own natural characteristics as this is a natural product and may not match the picture identically. Product of the USA. Proudly made in Michigan's Upper Peninsula