Shades is a metallic light blue box with a rectangular hole used as an entrance. There is a sign near the top that reads the shop's name in black text outlined by a light blue color. There is also a statue of dark green sunglasses atop of the building. Inside the building is are shelves with plastic sunglasses laid on top of them.
Role in episode
It appears in the background at the Bikini Bottom Fair and one of its customers appears to be Fred.