Procest blinds duster is made of high quality sturdy polyethylene and durable. Blind cleaner comes with 6 each extra Microfiber Sleeves. Machine washable high-suction microfiber sleeves super easy to replace with spare sleeve cloth. Procest window blind cleaner duster brush will make sure that you will be satisfied with this product you buy from us. We are putting out high quality products that satisfy your needs is our persuit.