Universal Size: The stove knob safety covers with a universal size that fit the knobs of most modern appliances. But to suitability, please measure your stove knobs before purchase. Stove Knob Covers for Child Safety: Not only prevent babies from accidentally turning the gas on but also prevent pets (dogs or cats) from playing with the stove knobs. Prevent children from injured when they open the stove (such as being burned or causing fires or gas poisoning), and enhance children's safety. High Temperature & Clear View: Constructed from hard PC material, these stove knob safety covers are to high temperatures, ensuring and continuous protection. The clear stove knob covers for child safety do not cover the view of the temperature control markers when closed, ensuring accurate temperature adjustments Baby : The gas stove knob locks create a environment for your kids and pets Color: Transparent & White Material: plastic Package Contents: 5 x childproof stove knob covers 1 x oven lock child safety Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.