These are a NOS Spring Pad Inserts for Chevrolet 1955-1957, also known as spring insert silencers.  They're made with a cotton material and fused with a hard wax.  The pads you see pictured are the pads you will receive.  Look closely to ensure you have the right part.  This box came out of a parts bin, and the four brown pads might be for a different year vehicle.  What you see in the picture is what will be shipped to you.  We will only ship these to the lower 48 states.