Every sunglasses from The Grwvy Company is made from real bamboo or wood that will last through time. You can count on them to shield your eyes with their UV400 protection against the sun rays. We will add a unique bamboo case for free for every pair you buy. We have a belief that everybody should be able to wear quality sunglasses without having to pay more than they have to. For every glasses sold, $1 will be donated to the Ocean Conservancy group for clean beaches.