IMPROVE SELF-DISCIPLINE: Ideal for reducing distractions, this locker improves self-discipline by securely storing your cell phone, helping you stay focused and productive in the classroom, meeting and workplace. MATERIAL: This phone lock box is made of high density acrylic. It is made of white color plate for better privacy protection. Wide Application: The stylish and beautiful appearance of this cell phones storage cabinet is very suitable for schools, classrooms, conference offices and factories, and is also suitable for offices, educational institutions, mobile phone repair shops, beauty salons, conference rooms, restaurants and other places to TWO WAYS OF INSTALLATION: The locker offers two ways of installation, either wall mounted (with wall holes on the back) or flat. Mobile phone repair workshops and other workplaces to improve work efficiency and protect the safety of mobile phones.