Make house-training your pup eco-friendlier with Zero Odor Laundry Pet Odor Eliminator and Rocket & Rex Premium Reusable Puppy Training Pads. This unique formula uses organic chemistry that helps eliminate odors at the molecular level. That means it can stop stink at the source on bedding, furniture and even your washing machine! with four layers and a waterproof backing, these pads are absorbent and durable enough to stand up to multiple uses while absorbing and retaining odors to keep your home smelling clean. They also prevent tracking to protect your floors and rugs to keep them dry and free from mess.