These square-shaped sunglasses are made of 100% bamboo wood. They come equipped with top-of-the-notch HD anti-glare TAC lenses, which are usually only seen in premium designer sunglasses. The bamboo sunglasses are polarized and can endure daily use with ease. If you are looking for the pair of wooden sunglasses that offer the best value for the price, you've found them. In this price range, these sunglasses offer much more than what other wooden sunglasses do, including true HD vision, polarized anti-glare lenses, and durable 100% wood frames with comfortable design.