Delicate textile souvenirs are vulnerable to damage from clothes moth larvae and carpet beetles that feed on protein and keratin fibers. Guidance from conservation staff at the Canadian Conservation Institute and the National Park Service emphasizes preventive storage, careful handling, and monitoring to limit infestation and long-term deterioration. Integrated pest management (IPM) and correct packing materials are central to safe storage.
Packing and materials
Use archival materials: acid-free boxes and tissue paper cushion and separate items. For protein fibers such as wool and silk, choose unbuffered tissue because buffered paper can be alkaline and may harm protein-based textiles over time. Cotton muslin covers or acid-free tissue wrapped around objects reduce dust and abrasion while allowing the textile to breathe; avoid long-term storage in sealed polyethylene unless specifically recommended by a conservator. Rolling larger textiles on wide, acid-free tubes with tissue interleaving reduces creasing; pin or stitch through tissue, not through the fabric.
Pest prevention and monitoring
Quarantine new or recently worn souvenirs and inspect seams, folds, and dark storage corners where larvae hide. Institutions such as the Victoria and Albert Museum and the Smithsonian Museum Conservation Institute recommend routine monitoring with sticky traps and visual inspections as part of IPM. Maintain stable environmental conditions—moderate cool temperatures and relative humidity around 45–55 percent reduce conditions favorable to many insects and to mold. Keep storage areas clean and free of food, organic debris, and other attractants.
When an infestation is suspected, non-chemical treatments are preferred. Freezing is widely used; the National Park Service and the Smithsonian provide protocols for controlled freeze-treatment to kill insects without damaging fibers. Treatment specifics depend on fiber type, textile thickness, and mounting materials, so consult a conservator before attempting large-scale or repeated freezes.
Small household remedies like mothballs or aromatic cedar can cause chemical staining or fabric deterioration and are generally discouraged by professional conservators. For irreplaceable or heavily soiled souvenirs, seek evaluation from a trained textile conservator to determine safe cleaning, stabilization, and long-term storage strategies. Preventive care, archival materials, and regular monitoring together offer the most reliable protection against moth damage while preserving cultural and sentimental value.