Hartz Insiders is inviting dog owners to apply to try Hartz Comfitables Male Dog Wraps for FREE as part of their latest sampling program! Click here and click "Get Started" to apply. Supplies are limited, and they are reviewing applications on a first-come-first-serve basis. Hartz Insiders sampling and review programs are open to U.S. residents in the Lower 48 States and D.C. only.