Size and space: Dimensions 33 cm x 28 cm x 42 cm (12.99 inch x 11.02 inch x 16.54 inch). Provides ample room for your pet to move around comfortably while being carried. material and comfort: Made from cation material with breathable holes and a front pocket, creating a comfortable environment for your pet during transport. Package contents and key features: Includes 1 pet carrier knapsack with front roller, ventilation window, and adjustable straps, designed for convenient and secure pet carriage. Foldable concealed design: The pet cage can be folded when not in use for easy storage, and its concealed design helps ensure privacy for your pet during travel or outdoor activities. Benefits and practical uses: Easy portability with adjustable straps for a secure, comfortable fit. Breathable design and ventilation to keep your pet calm and comfortable on the move. Front pocket provides convenient storage for small items and essentials. Foldable design enables compact storage at home or in the car, and privacy during travel. Use scenarios: Urban errands and daily walks with a small to medium sized pet, ensuring comfortable transport and easy handling. Travel days or outdoor activities where portability and pet privacy are beneficial. Vet visits or short trips where a secure, breathable carrier supports calm transport.