Transition glasses meaning when worn outdoors, in the sunlight, it will turn into your conventional sunglasses but when you move indoors, it'll transition back into clear for crisp viewing. Trendy and always up to date styles! Top of the line quality! Give us a try, both you and your customers would be happy you did! Great for indoors and outdoor use as it will transition accordingly for your everyday needs! Every purchase comes in a box of the different assorted colors you see in the pictures above. Each box contains 12 pairs of glasses! Price reflects the price per box, NOT PER PIECE.