BUILT-IN INDICATOR: This oven guard for child safety has a simple color indicator that shows whether or not the lock has been activated SUITABLE FOR MOST SURFACE: Suitable for use on almost any surface and appliance, these latches are a great addition to the safety of any home. Suitable for most oven and cooking appliance STRONG & DURABLE: Made from a durable, strong material, they are long-lasting and effective HEAT RESISTANT: Heat proof adhesive creates provides a solid attachment without falling off EASY TO INSTALL: Simply pull back the adhesive cover and attach in the locked position. Easy squeeze and release mechanism to swivel the lock out the way