If you have been hardcore gaming with your GSP 500, GSP 550, GSP 600 and GSP 670 headphones, then at some point those ear pads and that headband are going to fall apart. Give your GSP 500, GSP 550, GSP 600 or GSP 670 headphones many more gameplay hours with this replacement package. These ear pads are made with a Hybrid combination of Protein Leather on the sides (increasing sound isolation) Alcantara on the top (for a smooth feel) and soft high-density foam for great comfort. All of these materials help maximize comfort and performance during gaming sessions. The headband is made from a mesh fabric and soft foam. Get some great replacements parts, save money and crush the competition again!