Optic Nerve Krones ForeSee Sunglasses 100% renewable resource - Frames made from the beans of the castor plant - a renewable resource Contain no petroleum based resins Polycarbonate Polarized lenses remove 99.9% of glare All packaging for Foresee ships in its own branded box and glass bag Box is made from 100% recycled materials with soy based inks Bag is made of a fully renewable bamboo fiber 100% UV protection