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, control cell phone usage, prevent excessive smoking, reasonably manage snack consumption, and control children's access to toys and gamepads to support the development of healthy habits. Unlocking Design: No complex operations required—simply set the time. When the set time is reached, the lock box will automatically open. Once locked, the box cannot be opened manually; 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 is reached. Habit Control: Use this timer lock container to support habit management by securing items such as cigarettes, mobile phones, snacks, and toys. Color: Black Material: Plastic Size: 15cm x 16.5cm Package Contents: 1 x Time Lock Box Only the above package content is included; other items are not included. Note: Due to light reflection and differences in display screens, the color of the item in the image may vary slightly from the actual product. Measurement error allowance is +/- 1-3cm.