High-quality 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, offering a new way to help children develop good habits. Unlocking Design: No complex operations—simply set the time. When the set time is reached, the lock box will automatically open. Once locked, it cannot be opened early, so please set a reasonable 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. Prevent Smoking Addiction: Use this airtight timer lock container to develop good habits by securing addictive items such as cigarettes, toys, mobile phones, snacks, and more. Color: black Material: plastic Size: 15cm x 16.5cm Package Contents: 1 x Time Lock Box Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3cm.