Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you! Helpful Gadget: Venetian blind cleaner glide into every crack and crevice, makes the task of cleaning blinds and shutter much easier. Material: Double sided micro fibre sleeve, features with High absorption of water and dirt, also helps save time. Easy to Use: Hand-held size & unique arm design, children can help to do the cleaning. Remove & Washable: Easy to remove duster cloth for washing. Package includes 2 blinds dusters and 6 replacement sleeves. Widely Used: Clean Venetian blinds, air conditioner blinds, car blinds all in one go. Perfect for use at home,office or in car. Both dry & wet cleaning are works.