COMPATIBLE: These replacement ear pads are compatible with Razer Kraken Nari, Nari Ultimate, Nari Essential, Razer Kraken Kitty, Kraken Tournament edition gaming Headphone ONLY. (DOES NOT FIT Razer Kraken X, Kraken Kitty BT edition and other series) Note: These earpads are oval and over ear, not round and on ear.PROTEIN LEATHER: Made of durable and professionalgrade protein leather for longterm use, the replacement ear pads have a smooth surface and comfortable touch.MEMORY FOAM: Made of firmer memory foam for blocking the noise, you will enjoy your Razer headsets.EASY INSTALLATION: Please search video instructions on Youtube, and follow the instructions, its easy to remove your old Razer ear pads and install the new replacement ear cushions.GUARANTEE: Each ear pad is thoroughly inspected for defects. money back if not fit or defective Because Razer involves many models, customers are easy to make mistake. If the earpads you buy from Jecoobb don't match your headset model, please contact us and we will provide you with the correct earpads.