Wood has maintained humankind from the beginning of time with shelter . tools . and warmth. Somewhere along the way . we diverged to synthetic unnatural materials that not only harm our planet but don't have the long term durability of wood. These rustic wooden cups give off a bohemian . eco-friendly vibe to any home . and are made of bamboo wood . a natural alternative to glass. They are durable . insulate heat . and connect you with the simpler things in life.