Thank you for viewing this item. BLUE TEE GOLF FW Headcover This is a new, unopened, and unused item with a dial-type number (3, 5, 7, X). Therefore, I am unsure of the exact material and specifications, but according to the product description online, the main body appears to be made of nylon and the inside of the cover appears to be made of fabric. Please refrain from purchasing if you are overly concerned about details. Also, please refrain from cancellations or returns after purchase and shipment. Please check the product in advance with the photos provided. Please read the profile before purchasing or commenting. If you have any other questions, please feel free to comment!