1.SIZES WEIGHTS: Airlineapproved, this cat dog carrier measures as indicated in blacket after the color, designed for small to mediumsized cats and small puppies up to 7.5 kg.Choose the pet carrier size based on your pet length and height, not just their weight. Travel in style with your furry friend in this lightweight cat backpack carrier! 2.DOUBLE SAFE: This pet carrier is made of durable polyester and OXFORD cloth fabric, featuring zippers for closure. With the zippers your cat cannot escape from the carrier, ensuring enhanced safety. There's even a safety leash inside to keep your pet comfy and secure. 3.BREATHABLE CONVENIENT:The cat carriers with an open able and sided mesh windows provide fresh air and a view, reducing pet anxiety and keeping them comfortable. 4.EASY TO CLEAN: The carrier is designed to resist dirt, and comes with a removable fleece mat that can be handwashed or machine washed. Any stains or dirt on the bag's surface can easily be cleaned with a wet wipe tissue.