Keep phones and small devices organized, secure, and out of sight with a lightweight, stackable storage cabinet designed for classrooms, offices, and exam settings. This compact locker box simplifies device management while minimizing clutter and distractions. Key benefits Reduce distractions and improve focus by providing a central, visible storage solution for phones during classes, meetings, or exams. Preserve organization with clearly separated slots that prevent devices from overlapping or scratching. Improve security with a built in lock that provides controlled access and simple accountability. Save space and scale capacity quickly using the stackable design to add tiers as needs grow. What makes this product stand out Stackable modular design lets you combine multiple units safely to expand capacity without increasing footprint on desks or counters. Lightweight construction means units are easy to move and reconfigure while remaining stable when stacked. Simple security lock keeps devices secure during supervised periods while allowing fast, authorized retrieval. Clean, unobtrusive appearance fits professional or educational environments. Function and compatibility Designed for storing cell phones and similarly sized electronics such as small media players or compact calculators. Each compartment accommodates most modern smartphones and standard protective cases. Compact footprint fits on classroom instructor desks, office reception counters, and exam proctor tables. Materials and performance Built for everyday handling with lightweight yet sturdy construction that balances portability with durability. Smooth interior surfaces minimize scratching and make contents easy to remove. Lock mechanism provides dependable, straightforward security without complex setup. How it solves common problems Eliminates pile ups of devices on teacher or proctor desks by offering a single secure location. Prevents loss and mix ups by keeping devices separated and labeled during collection. Reduces time spent enforcing device policies by providing a clear, simple storage protocol. Typical use scenarios Classroom exams: Collect student phones quickly and securely before tests, then them in an orderly, supervised way at the end of the session. Office meetings and training: Provide a drop off point to limit interruptions and keep attention on meeting content. Study halls, libraries, and workshops: Create a temporary device storage station to promote focus while preserving ownership and condition of devices. Quick user notes Place the unit on a flat surface before stacking additional units. Use the lock to restrict access during supervised periods and unlock for scheduled returns. Label slots or attach temporary identifiers to streamline distribution and retrieval. This storage organizer combines straightforward security, space efficient stacking, and a user friendly design to support organized, distraction environments in educational and professional settings. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-WuhanGQ shop 3