Features: Materials: These air vents covers are made of stainless steel and reusable plastic material. It is corrosion-resistant, durable and scratch-resistant. Design: These air vents covers are a round mesh honeycomb design for easy scheduling and cooling. It can be used in wardrobe and cabinets. Workmanship: These workmanship of the air vents covers are very fine, the surface is smooth without burr, the edge is neat, and the inside and outside fit closely. Application: These stainless steel circular air vents covers are easy to install and detachable for ventilation and insect control in homes, offices and meeting rooms. Practical: Compact air vents covers are durable, strong oxidation resistance, small round hole dustproof effect is good, easy to clean and maintain. Specifications: Material: Plastic+stainless steel Color: Black Outer Diameter: 42mm Inner Diameter: 35mm Suitable Hole Diameter: 35mm Notes: 1. Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. 2. Please allow slight dimension difference due to different manual measurement. 2pcs * Ventilation Grille