There are some designs with activated carbon which are appreciated for their ability to neutralize unpleasant odours (this being a quite sought-after aspect by pet owners). For owners looking for a more sustainable solution, washable and reusable pads are an economical and eco-friendly alternative. And when it comes to large breeds or puppies that produce larger amounts of liquid, extra absorbent pads are recommended because these are designed with additional protection and high retention capacity.