Petsfit Dog Backpack Carrier,Cat Backpacks Expandable with Great Ventilation,Fleece Mat,Perfect for Hiking,Camping Hold Pets Under 22lbs Price: $65.66 (as of 10/01/2023 06:52 PST- Details) & FREE Shipping.

Comfortable and Spacious: Expandable area offers pets more space to move around, reducing their anxiety; Dimensions: 12.9″L x 10.6″W x 17.3″H, not including the expandable area. Extension Area: 10.2″L x 13.7″W x 14.2″H.
Excellent Airflow: A mesh door on the top offers easy access and ensures great ventilation
Keeps Pets Secure: Inside tethers secure pets in place and a soft fleece mat is included