Eight 4 oz. sealed deer packs protect 1/4 acre from pesky deer and last about 60 days outdoors. Simply hang the convenient packs from trees, bushes, plants, etc. Made from 100% organic materials, will not wash away with rain. No messy or smelly chemicals to mix and apply, Nature's Defense Deer Packs contain more natural active ingredients and doesn't contain rotten egg or blood to attract rodents and other animals like raccoon, coyote, etc. Safe to use around children, pets, plants & food crops. Easy to use