Review the terms and conditions here . Purchased two pairs of frames? Our 2-pack protection offers 2-year coverage of accidental damage towards both pairs of glasses. Get peace of mind for both of your new DIFF glasses. We'll replace them for free. - 2 Year Coverage for accidental damage. Get peace of mind for your new DIFF glasses. - Scratched or broken frame - Scratched or damaged lenses - Mechanical defects from accidental damage - Free shipping on replacement pair with no hidden fees. - Can be purchased up to 14 days after your original order. - Priority support - Transferable when purchased for gifts.