Features: brand new and high quality The dustproof net is made of PVC plastic material, which is corrosion resistant and washable. When the buyer DIY, the size can be arbitrarily cut according to actual needs. Rinse with clean water, do not use corrosive cleaning. Material: PVC. Colour: Black. Aperture: approx. 1.5mm. Thickness: approx. 0.45mm. Width: approx. 50cm / 19.69in. length:approx. 1meter / 39.37in. DIY 1m chassis dust cover for network net for case pc for case dust filter dustproof cover. Specifications: Material: PVC Colour: Black Aperture: approx. 1.5mm Thickness: approx. 0.45mm Width: approx. 50cm / 19.69in length:approx. 1meter / 39.37in Package Includes: 1 x Dust Filter note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!