This functional & durable eyewear storage/travel bag is equipped with 4 “rollerblade type� wheels and an extendable handle just like the ones you see on regular carry-on bags. There are two tray options available for this bag; Either fifteen individual standard finger pull trays with a total capacity of 180 standard ophthalmic eyewear frames or nine individual deeper finger pull trays for larger sunglasses. Each tray holds 12 frames (3 rows of 4). Large Case Size: 10" x 20" x 22.5"