Messina's Squirrel Stopper is the key to keeping squirrels and chipmunks out of gardens, homes and other structures. All natural Squirrel Stopper can be used indoors or outdoors by creating a sensory barrier that works by smell, taste and feel that squirrels and chipmunks do not like. Pleasant to use with an odor free formula and dries clear. Squirrel Stopper is an excellent first line of defense. Available in 32oz and gallon sizes in ready to use spray bottles