One specially treated, residue-free cloths trap and lock in dust. Fast and effective- one step dusting, free from spray mists and odors. Cotton cleaning cloth won't scratch delicate surfaces. Guardsman Reusable Ultimate Dusting Cloths. Rinse and reuse each cloth. Specially treated to attract and hold dust. Soft - durable - hand washable - reusable. Good for wood furniture and cabinets - leather/vinyl - outdoor furniture - electronics - floors - blinds- appliances - auto interiors.