PURE WOOL LIFE INSULATION does not harbor dust mite or other bugs.  To eliminate the risk of any other bugs it is treated with an organic substance derived from the chrysanthemum plant.

This permanent and non-toxic insect repellant is non-hazardous and was specifically developed by Woolmark for use in the wool industry. This insect repellant agent resists the coleopteran moth and the Lepidoptera beetle groups. Larvanil is a self-emulsifying insecticide/miticide concentrate containing 0.5% Bifenthrin, as 100% active. This agent resists the coleopteran moth and the Lepidoptera beetle groups.