<br>Features: <br>Adopting quality borosilicate glass material, durable and sturdy, non irritating smell, non-toxic and safe. <br>Each hole glass screen filter is approx. 8 mm/ 0.31 inch in diameter, please carefully check whether the product size is what you want before buying. <br> <br>Specifications: <br>Material: glass <br>Size: as pictures shown <br>Color: clear <br> <br>Note: <br>Please allow a slight deviation due to manual measurement of the size <br>Due to different monitors, please allow a slight color difference