1. Material: silicone 2. Silent door opening and closing lock core set of elastic silicone, cushion the impact of closing the door, reduce noise, prevent the baby from waking up 3. 7-step adjustable snap, suitable for different types of door handles 4. 2mm thickness, suitable for door and frame spacing range of 1.5-5mm, anti-collision and noise reduction is more convenient 5. Easy to install, any bend, one-piece silicone material, no deformation 6. Size: about 25 x 9.3 x 0.2cm
