FRAME FEATURES: RX7217F Chad Low Bridge Fit eyeglass frames feature a rectangular, transparent grey frame made with sustainable bio-based acetate. Low Bridge Fit frames are designed for those with high cheekbones and lower nose bridges SUSTAINABILITY: This Bio-Acetate frame is made with 65% bio-based materials, derived from renewable sources such as cotton, wood pulp, cereals, beet and sugar cane PRESCRIPTION READY EYEGLASS FRAMES: Ray-Ban eyeglass frames feature lenses that need to be replaced with prescription lenses so you can enjoy clear vision CASE & CLEANING CLOTH INCLUDED: This pair of Ray-Ban sunglasses come with dedicated sustainable packaging, made with recycled materials