Sanitary Pads Absorbent Mats for Dog Cat Learning to Pee 90x60 cm 20pcs Product Description Ensure the highest standard of hygiene in your home and car with professional carbon underlays from Pet Soft. This set of 20 mats in an extra large size of 90x60 cm (XL) is an ideal solution for owners of large breed puppies, adult dogs and animals that require special care. What distinguishes these underlays is the innovative layer with activated carbon fiber , which gives the mats their characteristic graphite color. Activated carbon acts as a natural filter – it instantly absorbs odor molecules and neutralizes the smell of ammonia, providing fresh air in the room even with intensive use.