This is a HASHIBAMI howlite strap and key ring! I loved it and bought it, but I've decided to sell it because I find shoulder strap cases for my smartphone more convenient, so I haven't used it and it's been sitting in storage! The stone is natural howlite. Benefits: It is said to promote mental stability, self-purification, and the desire to remain calm. Please refrain from purchasing if you are concerned about storage at home. Thank you for looking.