Acrylic
Won't be confusioned to distinguish keys. Each key comes an individual numbered plate;
Protect user's privacy and security:Each slot door of phone storage locker has different lock,each lock come with two keys and two number signs.(one for manager,one for student/workers,more eaiser to use)Total is 24keys,24 number signs.)
Table & wall You can put it on table,it can stand by its own; You can also put it on wall by screws,no worry to fall off wall,as the screws insert wall deeply;
No need assembly it. We had finished it with slots,doors,keys,number signs.
Widely use You can put it at classrooms for students,factories for employees,gyms, ets.Do not let cell phone brother your leaning,working ,trainning etc.