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...
Dust with soft dry cloth.
S: Clean with water-free cleaning solvent only. Do not use water.
Do not use abrasive cleaner.
Dimensions of bench-made upholstery may vary slightly.
Vacuum and rotate cushion periodically.
Protect from heat and liquids.