X-Factor Adjustable Sports Neck Strap Sunglasses Cord Holder (Black) Plastic lens Non-Polarized 100% Protection Against Harmful UVA/UVB Rays Fits Small to Medium Temple Keeps Your Glasses Secure Around Your Neck Helps to Prevent Misplacing Your Glasses 30 DAY MONEY BACK GUARANTEE AND 90 DAY LIMITED WARRANTY AGAINST MANUFACTURER DEFECTS: Our main goal is make our customers happy and provide the best shopping experience; If you are not completely satisfied with our product or your purchase please contact us, we'll be happy to help