Air out the item outdoors in fresh air and shade
Hang the item in a well-ventilated area for several days
Wash the item according to its care label
Add white vinegar to the wash if the fabric allows it
Use baking soda by sprinkling it on the item or placing it nearby in a sealed container
Place the item in a sealed bag or bin with activated charcoal
Use coffee grounds in a breathable pouch near the item
Freeze the item in a sealed bag for 24 to 48 hours
Steam the item if the fabric is safe for steaming
Dry clean the item if it is delicate or non-washable
Store the item with cedar blocks or sachets after the smell is gone
Repeat airing and treatment as needed until the odor fades