Safe Children: Safety First Our products can cover the stove/oven knobs to prevent children from lighting the fire or playing with the stove knobs, keep children away from injury and avoid fires. ^Premium and safe material: Made of durable heat resistant PC material, use it with confidence. The transparent cover for the hob knob does not obscure the view of the temperature control markings when it is closed. ^Unique hingeless design: The hinged lid allows adults to easily open the lid and use the hob's controls without removing the lock completely. Also helps parents easily detach the knob cover for washing and cleaning, just clip the cover and snap it. ^Easy to install: No tools or glue required, easy to install without removing the stove/oven knob, easy to remove for cleaning. The hinged lid is easy for adults to use, and you can still turn the knob normally once installed. ^MATCH WITH HOME DECOR: Our stove knobs have an updated clear view design that allows you to easily see if the burners are off. With an upgraded slim design, our cover will blend into any home decor.