HIGH QUALITY FRAME - Made with only the highest quality materials， these sunglasses were constructed using special design techniques in order to ensure durability and avoid breakage while engaging in sports and recreational activity.<br /><br />UV400 PROTECTION-Lenses block 99% of UVB and UVA rays.UV 400 indicates an eye protection item that has been optimized to prevent eye exposure to both UVA and UVB radiation. One of the biggest differences between UV 400 protected items as compared to other items that protect against the sun's radiation is the fact that UV 400 protected items are capable of blocking light rays as small as 400 nanometers.<br /><br />HIGH QUALITY LENS-Sunglasses are made with the most high quality polycarbonate lenses， which are ultra lightweight and shatterproof. The technology is made with even lighter weight material and are even more unbreakable. They are impact resistant and offer perfect clarity of vision. Also， lenses are scratch and impact resistant， offering UV protection.<br /><br />Products Dimension-Lens Height:40 MM(1.57 Inches);Lens Width:70 MM(2.76 Inches);Temple Length--130 MM(5.11 Inches);Nose Bridge:23 MM 0.91 Inches);Frame Length 145 MM(5.71 Inches)<br /><br />30 DAY MONEY BACK GURANTEE- All JULI customers enjoy 30 Day Money Back Guarantee. Customers can return and get refunded in case the purchasing is not satisfactory for any reason. You have no risk to try.