​​​Specification:Material:PC+metalSize:S(130x33mm),L(134x38mm)Color:yellow,gray,greenMain Features:The clamps are made of high-grade metal alloy materialsThe lenses are made of the most popular high-definition resin materialWear resistant,pliable,tough and good elasticityUpturned design, more convenient to wearEffectively eliminate reflected light,block harmful ultraviolet rays,and protect your eyesAttaches onto existing prescription or fashion glasses,great for those who already have a pair of prescription glasses and do not want to spend more for a pair of prescription sunglassesPerfect for driving,outdoor sports,fishing,travelingIt will also be a great gift for your friends and family!How to choose the right size:With a ruler to measure the length and width of you glassesSelect the clips should be larger than the size of the measuredIf you like a larger lens you can also choose largerPackage Included:1xClip on glasses lensNO Retail Box.Packed Safely in Bubble Bag.