High-quality material: This time lock box is made of plastic material, strong, durable and easy to clean. Versatile lock box: The time box helps you effectively control and manage your time, controls mobile phone addiction, prevents excessive smoking, controls your snack time reasonably, controls toys and game controllers for children to provide a new way to help your child develop good habits. Unlock design: No complicated operations, just set the time, once the set time is reached, the lock box will open automatically. Once locked, it cannot be opened, so set a reasonable time. Note: Setting time - 999 hours 59 minutes 59 seconds, the shortest - 1 minute, will automatically open when the set time is reached. Overcome smoking addiction: Use this airtight timer lock container to develop good habits and lock away addictive items such as cigarettes, toys, mobile phones, snacks, etc. Color: White Material: plastic Size: 15 cm x 16.5 cm Package contents: 1 x Time box Only the above package content, other products are not included. Note: Light reflections and different displays may cause the color of the item in the picture to differ slightly from the real item. The measurement error is +/- 1-3 cm.