The thinness is its greatest attribute. There are some drawbacks. First, because the wallet is so thin, it is easily lost on my messy desk, or it may slip out of my back pocket in my car and slide between the car seat and the door.  Secondly, it only comes in dark colors.  I would like a nice bright color so I can easily spot it. The manufacturer used to offer this in many different colors, including red and bright blue. Now, I can only find it in black. Third, finding a particular credit card is difficult.  The four interior compartments are identical (perhaps they should be numbered?)so you distribute your cards among the 4 compartments.  When I am checking out groceries or an at the Costco checkout and need that specific card, I often have to look through multiple compartments to find the card. It always seems like the card I want is in the last compartment that I have to check!  Plus I have an older model, and it doesn't have rubber edges on the compartments, so the cards can easily slip out of the compartments and fall out onto the floor.

All in all, the thinness makes me keep using the wallet, but the negatives make me not give it my highest rating.