Remove the sleeve from the case
Rinse the sleeve with warm water immediately after use
Use mild, unscented soap if needed
Wash the inside and outside gently with your fingers
Rinse thoroughly until no soap remains
Shake out excess water
Pat dry with a clean towel
Let the sleeve air-dry completely
Dry the case separately
Apply renewing powder or cornstarch only when fully dry
Store in a cool, dry place
Avoid boiling water, bleach, and harsh cleaners
Avoid putting the sleeve away while damp