COVONO Expandable Pet Carrier Backpack for Cats, Dogs and Small Animals, Portable Pet Travel Carrier, Super Ventilated Design, Airline Approved, Ideal for Traveling/Hiking /Camping

REAR EXPANDABLE DESIGN: With the rear expandable design, the space inside the backpack will also be doubled. It not only increases air circulation, but also allows your pet to stay in it more comfortably and move around more freely
BETTER VENTILATION&VISIBILITY: An important improvement of this backpack is to make sure excellent ventilation and visibility at the same time. 1 large transparent acrylic window, 3 breathable mesh windows and 9 venting holes, provide a lot of air and excellent view for your pet
STURDY&SAFE STRUCTURE: Equipped with a firmly reinforced structure, to prevent the backpack from collapsing on your pet even as traveling. When you open the top mesh windows to let your pet stick his head out, the safety rope inside can prevent your dog from running away
COMFORTABLE TO WEAR: Comes with both waist and chest buckles, to come up with extra reinforce and care for the stability of the backpack, prevents pets from slipping. The shoulder straps are equipped with extra thick padding for more comfort all the way through long trips
MEASURE YOUR PET BEFORE PURCHASEING: Its external size is 13.4″L x 10.2″W x 16.5″H even as the internal size is 13.0″L x 9.3″W x 14.8″H and will also be 13.0″L x 21.5″Wx 14.8″H after fully expanded. Advisable max load is 18 lbs. Do not select the backpack size based on weight only, please reference your pet’s length(front feet to base of tail) and height(floor to top of head) in selecting a backpack size