Baby and Pet Safety: This childproof door handle lock helps isolate you from many unexpected dangers and provides added security. Made of food-grade materials. Unique Design: Its shape is compatible with most household stoves. Compared to other similar stove knob safety covers, our childproof knob fits snugly into the knob gap, providing a stronger grip and resisting falling off. Furthermore, the inner corners have gaps to protect the knob from damage after repeated use. Easy to Use: No tools or even adhesive are required; the stove knob cover can be installed in one easy step. Heat-Resistant and High-Quality: Our gas stove knobs are made of a high-temperature resistant PTC composite material. When using the oven, the oven lock will not be damaged by high temperatures or chemical cleaners, ensuring long-term use. Usage Restrictions: Before purchasing, please ensure that the adjustment range below your gas stove knob is between 0.16-0.47 inches to accommodate different stove models! This lock is suitable for pets and young children. But it may not be suitable for very agile, intelligent children or children two years and older.