Made from silicone material, very , resistant to corrosion, rust and . This Air Vent Hole does not require much effort to install, the same diameter hole can be mounted directly. Compact small size, light weight, easy to use and convenient to store, you can feel the convenience of it. the air easily flow out of the preservation box, can keep your food box clean. Features -Color:White -Material:Silicone -Size:3.50X2.50X1.20cm/1.38X0.98X0.47in -Our products are made of silicone materials, strong and , not easy to rust, not easy to fade. -The food box cover Circular Holes conforming to the ventilation design are not easy to block. -Fine workmanship and creative appearance its popularity and practicality. -It can be applied to cover, conceal and decorate holes without spoiling your overall box cover style. -Suitable for different type of food box cover, cup lid, and preservation box cover. Package list: 10 x Air Vent Holes