Made of plastic material, this childproof stove knob cover has transparent cover, it will not obstruct the view of your gas stove or oven after installation. The stove or oven will work normally after installation. Our gas stove safety knob covers can deter babies from gripping stove knob. Features - Color: White - Material: Plastic - Size: 7.50X7.50X4.50cm/2.95X2.95X1.77in - Protect your children from turning on the stove with our universal fit knob covers, while allowing easy access for adults when ready to use the stove. - The cover can be used on most hobs or ovens, and it is good for the safety of children. - Clear design, you can see the gas knob inside, visual effect is not affected. - Round edges and smooth surface, safe to touch and do not hurt your hands. - Can be serve you for a longer period, they are resistance to high temperature, wear and repeated use. Package list: 4 x stove knob covers