Pack of 30 individually wrapped moth balls: value-added multi-pack allows for multiple coverage throughout the home, wherever clothes are stored and at risk from clothes moths Stop damage from clothes moths: Moth balls protect all precious fabrics, including woollens, silks, cottons and furs, from damage caused by clothes moths, larvae and eggs in the home. Smells of fresh linen: No unpleasant fragrances or odours, no fumes or stains Lasts up to three months: One mothball will protect an area of 1.17 cubic metres and will need to be replaced every 3 months, depending on the level of clothing moth infestation Moth Balls contain Transfluthrin