Convenient Digital Code & Reel：Each set of keys and locks is labeled with a numeric code for quick identification. The keys also come with a reel for hanging and carrying. Secure Design：Comes with small keys for added security,each key corresponds to a specific lock. This ensures the protection of your privacy and assets. Versatile Use：Can be used freestanding or mounted on the wall with provided buckles for installation. Removable sign allows for customizable reminders. Acrylic Material：Made of acrylic,this transparent cell phone lock is sturdy and resistant to breakage or deformation. The transparent material allows visibility of the contents inside. If you have any questions during the purchase or use,please contact us in time,we will be happy to help you. Please contact us in time for questions and we will reply you within 24 hours. Your satisfaction is our ultimate wish. I wish you a happy shopping,thank you!