Features 1、Easy to install and use without removing the knob. 2、Prevent children from accidentally opening and protect the whole family. 3、Parents can easily open the buckle, but it is difficult for the child, it helps prevent accidents. 4、Suitable for most gas stove knobs, high-quality plastic materials. 5、It provides some open obstacles for children and has sufficient resistance settings. Specification Condition: Item Type: Stove Knob Cover Color: Shown as Picture Material: Plastic Size: Approx. 6.2 x 6.2 x 4.1mm/0.24 x 0.24 x 0.16in Instructions: 1. Remove the gas switch, place the transparent gas knob protective cover on the switch handle, and screw the gas switch back on. 2. When not in use, you can close the transparent gas hood. When using gas, just turn on the gas knob. Package List 2 x Stove Knob Cover 4 x Double-Sided Sticker