Product specification: 66.2mm * 66.2mm * 41.2mm

Method of use:

1 remove the gas switch

2 of the transparent protective cover is placed in the gas knob switch handle

3 re tighten the gas switch

4 when not in use? can shut transparent gas mask

5 when using gas? open the gas knob

Reminder: the baby to the new things will be very curious? may be newly installed protective equipment as toys to play even damaged? resulting in potential safety hazard. In after the baby was born 6 months? as soon as possible to install this product series! This product is for the prevention ofaccidents and reduce the damage and design? irreplaceable guardian!