Expandable & Collapsible: This pet backpack features an extra wide expandable back panel, giving your pet generous space for activities and reducing anxiety. And when not in use, it folds flat for easy storage. Recommended Pet Size: The cat backpack measures approximately 32 x 25 inches. x 38 cm (L x W x ). ;H). The maximum load capacity is 6 8 kg. For cats or rabbits up to 6 kg and small dogs (Chihuahua, Maltese) up to 5 kg. Breathable and comfortable: This dog backpack has 3 entrances (top, front and back) for easy access; A well-ventilated 5-sided mesh window for visibility and airflow, and 2 washable cushion mats for your pet to rest on. Durable and Functional: Made of high-quality oxford fabric and scratch-resistant. Made of durable mesh, this backpack is solidly structured and safe for your pets. Ideal for travelling, camping, hiking, visits to the vet or walks in the park. Ideal for travelling: the comfortable back, the wide shoulder straps and the chest strap relieve your back