1. Material: ABS+TPE+POM 2. One key to open 3. Quick and seamless removal 4. Press the buttons on both sides to unlock 5. Simple design, reduce baby's attention 6. Comes with self-adhesive, no need to punch holes, easy to install 7. Environmentally friendly material, wear-resistant and pressure-resistant, not easy to age 8. Mobile wardrobes, mobile cabinets, mobile windows and other door gaps larger than 12 mm can be used 9. Size: 8.5x7.5x1cm