You'll love our style since our style is the best. Wear flashing shutter shades like Kanye West. Get Shutter Shades for all your friends. They're really cool and have no lens. Wear some while you play guitar. You'll look just like a huge rock star. ; ; Please note this product will not fit most children under the age of 7. Product is for novelty purposes and should not be worn when optimum visual conditions are required such as driving. Product contains 2 CR927 batteries, included, non-replaceable.