Outside is a nice, soft, smooth material, though the vibrant art will definitely fade where handled frequently. Inside has 16 card slots, a zippered pocket in the center and a pocket on each side's inner wall.

The structure inside looks pretty flimsy, but will probably hold up fine for a while if not yanked open repeatedly.

The color and artwork is fantastic, really the strong points here. The zipper icon is large and heavy, which is nice because you can easily grab hold of it without looking or in the dark, and seems pretty durable.

Artwork/aesthetics: 10/10
Materials: 7/10
Durability: 7/10
Functionality: 9/10

Worth it.