Vacuum clean.
Wipe clean with a mild soapy solution.
Wipe dry with a clean cloth.
Light stains can be removed with textile cleaner or a sponge damped in water or a mild soapy solution.
For maximum quality, re-tighten the screws when necessary.
Machine wash, max 40°C, normal process.
Do not bleach.
Do not tumble dry.
Iron, max 150°C.
Professional dry cleaning in tetrachloroethene and hydrocarbons, normal process.