High quality: Black and red classic color, it is made of hard PU outer layer and flocking inner layer, strong and anti-extrusion, can prevent the lens from friction damage. Perfect travel: Suitable for travel or vacation. It can be rolled up and equipped with a handheld strap for easy carrying. Moreover, you can store sunglasses and prescription glasses in different spaces without having to carry too many glasses cases. Easy to carry: Folding design, it is easy to find different glasses suitable for your daily wear when opened. The storage bag of sunglasses adopts a hanging design, which can be used in the closet or on the wall. It is very convenient to carry when needed. Save space: The expanded size is 18.5x3.2inch, and the foldable size is 6.5x4.7x3.2inch. You can also store watches, jewelry, necklaces, earrings, rings, cosmetics, etc. Convenient: Easy to change glasses. Very suitable for your sports glasses, swimming goggles, sunglasses and prescription glasses, reading glasses. It is also easy to put in a backpack or suitcase in the car.