Waveborn Sunglasses - Butterfly Imported polycarbonate lens Handcrafted by artisans in Milan, Italy 100% UV protection with lenses by Carl Zeiss One year full warranty for lost, broken, or stolen sunglasses With each purchase, one pair of prescription reading glasses is donated to Unite for Sight and delivered to patients in need around the globe Every pair of Waveborn sugnlasses comes with a microfiber pouch and hard case