This pet bag has multiple breathable nets to ensure air circulation. Folding design, easy to store when not in use. This pet bag is a zippered opening that allows you to comfort your pet during travel. It is a must-have product for you to bring your pet out. Material: Polyester. Product Size: 45x16x28CM(17.7x6.3x11inches). This bag has a storage pocket on the front and side for easy storage of small items. Side ventilation Windows provide plenty of air inside the bag, allow the pet to see the outside environment and reduce pet anxiety.