Care Instructions Care Info: You've put a lot of care into choosing your furnishings. And with continued care at home, they should share your address for many years to come. Now for your owner's manual… Cortland Queen Sleeper Sofa S: Clean with water-free cleaning solvent only. Do not use water. Refer to additional Care Information brochure or our website. SW: Clean w/H2O based cleaning agents or mild water-free solvent. Washable slipcover. Refer to additional Care Sheet. Vacuum and rotate cushion periodically.