Material: This time lock box is made of plastic, strong, durable, and easy to clean. Versatile Lock Bin: The time lock box helps effectively control and manage your time, manage cell phone usage, prevent excessive smoking, regulate snack consumption, and control children's access to toys and gamepads, supporting the development of healthy habits. Unlocking Design: No complex operations required—simply set the timer. When the set time is reached, the lock box will automatically open. Once locked, the box cannot be opened prematurely; please set an appropriate time. Please Note: The maximum setting time is 999 hours 59 minutes 59 seconds, and the minimum is 1 minute. The box will automatically open when the set time elapses. Habit Control: Use this timer lock container to support habit management by securing items such as cigarettes, toys, mobile phones, and snacks. Color: Black Material: Plastic Size: 15cm x 16.5cm Package Contents: 1 x Time Lock Box Note: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3cm.