It is made of high-quality non-woven material, dust-proof breathable, with good filtering effect.Effectively filtering of dust allergic particles Cleaning indos smelly smell, like cigarette smoke etc Keep indo air fresh.A bag there are 12 pieces of double-sided adhesive tape inside, which are used to stick on four cners of the filter screen.colour:whitematerial:Non-wovensize:40x35cmPackage Contents:12 x Air conditioning filterOnly the above package content, other products are not included.Note: Light different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.Our products are made with the highest quality materials are designed to provide you with the best possible user experience. We strive to ship out all ders within three days of purchase, the estimated delivery time is 8-15 days.When shopping, please pay attention to the size dimensions of the product to ensure that it meets your needs. In the title , we have provided detailed infmation about the product, including its features specificationsWe want you to be completely satisfied with your purchase, so if you have any questions concerns, please don't hesitate to contact us. We are here to help will do our best to assist you.Thank you f choosing our product. We hope you enjoy it