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 requiredsimply set the timer. When the set time is reached, the lock box will automatically open. Once locked, the box cannot be opened early, so please set an appropriate time. Please Note: The maximum setting time is 999 hours 59 minutes 59 seconds; the minimum is 1 minute. The box will automatically unlock when the set time is complete. Prevent Smoking Addiction: Use this airtight timer lock container to support habit formation 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 Only the above package content is included; other products are not included. Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.