1.Designed to clean all types of blinds washable and rust proof insert mini-blind cleaner, one roller betn each slat. Move mini-blind cleaner and forth to wipe blinds clean. Remove mini-blind cleaner from blind.2.Notes: When roller becomes dirty, twist rollers to expose new cleaning surface. When roller becomes completely soiled, remove and wash off using mild soap and warm water. Heavy soiled blinds may require washing.3.Use On: Window Conditioner, Venetian Blind Blade, etcSize: 13.5cm x 16cm/5.31" x 6.3" (Approx.)5.4x6.4x0.6in) Light weight0.2lb4.Detachable, when roller becomes dirty, twist rollers to expose new cleaning surface. When roller becomes completely soiled, remove and wash off using mild soap and warm water5.Mini-Blind Cleaner with 7 rollers, use special microfiber fibers, strongly attracts and holds dust, don't drop hair, don't rub off