Nature's MACE 1 Gallon Concentrate Deer & Rabbit Repellent, Makes 16 Gallons, Treats 2 Acres University Studies Prove Our Technology Works Best! Nature's Mace outperforms other leading brands, repelling Deer & Rabbits from Landscapes, Gardens, Flowers, Shrubs, Trees and Vines. Odorless, Long Lasting & Rain Resistant Environmentally friendly, harmless to humans, pets and aquatic life. Year round product for all types of plantings, will not wash off during rain, irrigation or normal use