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.
W: Professional upholstery cleaning w/H20 based cleaner or foam.
Dimensions of bench-made upholstery may vary slightly.
Vacuum and rotate cushion periodically.
Restore the loft of feather/down blend cushions by fluffing often.
Feather loss and migration is normal.