STOBOK Mobile Phone Storage Box Cell Phone Basic Cases for Smartphone Phone for Phone Stuff Smart Phone Locker Storage Cabinet Phone Lock Container Staff Phone Case Protective Case Acrylic Versatile Use - Our Reusable Phone Safety Locker is made of clear acrylic boxes and is suitable for use in classrooms, offices, conference rooms, laboratories, gyms, and restaurants. It is a versatile tool that can be in a variety of settings. Easy to Use - Our Phone Locker with a Timer is not as complicated as a timer lockbox. You can easily lock your cell phone with a simple key. It is a convenient and easy-to-use tool that will help you stay focused and productive. Color: Transparent Size: 20x10cm Versatile Use - Our Reusable Phone Safety Locker is made of clear acrylic boxes and is suitable for use in classrooms, offices, conference rooms, laboratories, gyms, and restaurants. It is a versatile tool that can be in a variety of settings. Easy to Use - Our Phone Locker with a Timer is not as complicated as a timer lockbox. You can easily lock your cell phone with a simple key. It is a convenient and easy-to-use tool that will help you stay focused and productive. Transparent Design - Our phone case features a transparent design that allows you to read messages while your phone is locked away. It is a practical and functional tool that will help you stay while still maintaining focus. Self-Discipline - Our Cell Phone Box for children can effectively help you improve your self-discipline. It is a great tool for parents who want to limit their children's screen time and encourage healthy habits.