This nifty block is perfect for summer when I usually wear jogging shorts and don't need my usual bulky triple wallet. Crabby works with my debit, credit, and DL cards on the one hand, and my Medicare and insurance cards on the other. Eight bills squeezed in the middle. It's definitely a good fit, but I suspect the canvas will stretch over time. The whole thing is so light, it's like wearing nothing at all. The canvas is thick and the colors are vibrant. A good product.