Package Content: You will receive 5 pieces of black gas stove knob locks, which size is about 8.6x3.5x1cm/3.39x1.38x0.39 inch. Functionally designed stove knob covers can efficiently protect babies from turning on the gas stove and protect children from burns, scalds, gas leaks and other accidents. Sufficient quantity and suitable size will meet your daily use and replacement.Reliable Material: Stove knob locks are made of PC material, which are reliable and have no smell. When using the oven, the oven knob covers will not be damaged by high temperatures and will not burn your hands. They have a raised texture, good heat resistance and abrasion resistance. Providing long term service for you.Practical Tool: Child proof stove knob covers can prevent kids from turning on the gas accidentally or being injured while playing with gas stoves. Besides, it's no need to worry about pets playing with the gas stove switch. Adults can easily unlock gas knob lock. Staying safe while maintaining convenience. Improving gas safety.Easy to Install and Use: It's no need any tool to install child proof stove knob covers. Avoiding any residue or marks. You just need to insert the gas stove knob fully and it will lock the gas stove knob. There are 2 ways. You can choose to easily cut off the end and install or remove the gas stove knob and install.Suitable for: Baby proofing stove locks are compatible with most gas stoves. They're suitable for 2-12mm/0.08-0.47 inch knob clearance. Please measure the stove knob gap before purchasing, so that the stove knob cover will fit your appliance. This stove lock is an essential tool to prevent kitchen's safety.