A. The product is made of ABS material, which is safe and odorless. B. It is foldable without affecting the use of the doorknob. You can press the button to fold down the safety lock. C. This child doorknob lock is suitable for various types of doors, especially for household use. D. It is easy to install and operate. Install it on the doorknob to prevent the door from being opened. E. It has relatively high strength and durability, with good quality and noticeable effects. F. It adheres firmly and leaves no traces, and will not damage the wall. G. It helps ensure your baby's safety and makes you feel at ease. H. It is a way to protect your baby. I. Usage includes bedroom doors, security doors, windows, balcony doors, etc. J. Precautions: 1. When installing for the first time, press the glue firmly and use it after 12 hours of pasting. Replace it if it is damaged. 2. Only the doorknob lock is included. Other accessories in the picture are for demonstration only and not included. K. Specifications: 1. Material: ABS 2. Dimensions: As shown in the picture 3. Available colors: White, Gray 4. Quantity: 1 piece L. Additional Precautions: 1. There is no retail packaging. 2. Due to manual measurement, a 0 - 1 cm error is possible. Please make sure you can accept this error before placing an order. 3. Due to differences between different monitors, the picture may not accurately represent the actual color of the item. Thank you for your understanding. M. Package contents: 1 doorknob lock