Care Instructions Care Info Alfresco Sunbrella ® Marine Sofa Cushion Do not leave spills unattended. Do not use abrasive cleaner. Outdoor fabric is mold, mildew and fade resistant. Cover or store indoors during the winter and/or extreme weather. Wash cushions/umbrella covers with mild soap and water; air dry. Do not dry clean. We recommend using a soft brush to remove dirt and dust. To prevent mildew during storage,fabric and furniture must be dry. We recommend the use of our outdoor furniture covers.