Air out the item outdoors in fresh air and shade
Wash washable fabrics with detergent and an extra rinse
Add white vinegar to the wash for washable items
Soak washable items in a baking soda solution before washing
Sprinkle baking soda on dry items and let sit, then vacuum or shake out
Place the item in a sealed container with activated charcoal
Place the item in a sealed container with coffee grounds in a separate open dish
Place the item in a sealed container with crumpled newspaper
Hang clothing with good airflow for several days
Repeat airing and cleaning until the smell fades
Dry-clean delicate or non-washable items
Clean closets, drawers, and storage bins where mothballs were used
Replace old storage liners or packing materials that absorbed the odor
Use an odor absorber in the storage area after cleaning
Avoid heat drying until the odor is gone, if possible