Premier Prints Helen Twill Storm/Yellow Use cold water and mild detergent (Woolite). Air Dry Only Do not Dry Clean. Iron on reverse side Spot clean with upholstery shampoo, foam from a mild detergent, or mild dry cleaning solvent. Air Dry Use cold water and mild detergent (Woolite). Air Dry Only Do not Dry Clean. Iron on reverse side Bring Indoors when not using Spot clean with upholstery shampoo, foam from a mild detergent, or mild dry cleaning solvent. Air Dry