The function of bobino Glasses Case is to ensure glasses are always handy and safe in bags: pulling out glasses requires only one gesture (instead of multiple gestures with standard glasses cases: finding glasses case in bag, opening it, pulling out the glasses, closing the case, putting case back in bag). bobino Glasses Case is a hard plastic shell with a soft rubber inner liner. To close bobino Glasses Case, the liner is simply turned upside down. The primary use of bobino Glasses Case is attached to an inside border of a bag. When bobino Glasses Case is not attached inside a bag, the hook can slide down and disappear.