Lightweight But Sturdy And Durable, Adds Minimum Weight While On The Go Or Carrying Around And Keep Your Sunglasses Safe. Small Enough To Fit In A Purse Or Suitcase, Takes Up Minimal Space In Suitcase. Very Convenient, Keeps All Your Sunglasses And Glasses Together In One Place! Just Open And Find The Pair You Want. Took This On Vacation Filled With Your Sunglasses And Regular This Was So Easy And Glasses Always Ready To Wear.