This product is made to pursue light and warmth, so the interior has been made of fiber. Please use caution for fiber fraying. If you sweat, it may cause mold to occur, so please wash and dry thoroughly before using. However, when washing, please do not use a washing machine as a general rule of washing. If you want to reuse, please use double-sided tape on the market. Please do not apply directly to the skin and do not use it. Please do not use on luxury clothing, as adhesive may damage it. A hometown tax return item.