Five points to be kept in mind while storing expensive and delicate garments are :
Make sure there is ample ventilation and sunlight in the room and the wardrobe where expensive and delicate garments are stored. Do not store them in a plastic bag, but use muslin or tissue bags to provide enough circulation and prevent odors and fungal growth.
Knitted, beaded and lacy garments require tissue paper between folds to prevent tangles with fabrics.
Plastic or wooden hangers retain the shape whereas wire hangers de-shapes the garment and it may stain the garment with rust in long run and moist air.
Do not store worn and clean clothes in a single shelf or drawer as it may attract pests.
Cedar oil or lavender oil sachets can be stored in the wardrobe as alternative to mothballs.