To customers: life is full of surprises. Package Includes: 1 Pair of Protective Covers (Others Not Included) Item Name: Protective Cover Material: PC Features: Heat-resistant, Transparent, Childproof Size Details: 4cm x 6cm Specifications: Owing to its punch-free design, the stove knob cover will not damage the surface of your gas stove, which is easy to install. It is a stove knob cover that can effectively prevent your baby from unlocking the door himself or herself, as it is not easy for him or her to open the lock with the unlock button. Made from PC, it is sturdy and anti-deformed. The diameter of the protective cover is 6cm and the height is 4cm. It is suitable for kitchen, household, daily use, restaurant, etc. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. We strive for excellence. And hope you have a nice day!