All of them are made of FKM rubber and are Cut to Size. They are super durable quality without the expensive price tag. Each comes with a 316L Brush Stainless Steel clasp. The Grey, the Brown ones are uncut, and the black one is sized to fit 6.5 inch wrist. The single watch roll is made with super fine quality leather and is in rare color between grey/light blue color depending on the lighting. Asking for $55 shipped for all in the US. Time Stamp: Last picture.