Thank you for viewing this product. BT21 Golf Hole In One Edition Putter Cover (Mallet Type) This item was sold in stores and is new, unopened, and unused with its original box. Therefore, I am unsure of the fine material details and specifications, but according to the online product description, the opening and closing mechanism is magnetic, and the inside of the cover is made of thick fabric. Please refrain from purchasing if you are overly concerned about minor details. Also, please refrain from cancellations or returns after purchase and shipment. Please confirm the product condition with the photos beforehand. Please read the profile before purchasing or commenting. If you have any other questions, please feel free to comment!