Pecute Pet Carrier Backpack, Large Cat Carrier Backpack, Expandable Cat Backpack Product Features ? NOTICE ?: Before purchasing, please measure the dog's sitting height (from front legs to the top of the head) to ensure that the dog's sitting height is within the recommended range, otherwise it may be too large or too small; L size: 17.4*13.4*10.6in, suitable for cats less than 15.4lbs; for dogs less than 13lbs and sitting height ?15.6"; XL size: 19.3*15.7*12.9in, for cats that 15.4lbs~24lbs; for dogs 13lbs~22lbs, and sitting height /15.6"~17.6" ? EXPANDABLE DESIGN ?: Expanded size: 15.7" L x 26.8" W x 19.3" H. This pet backpack with an expandable back design gives your pet more space to rest and increases air circulation, allowing your pet to move around more comfortably and reducing anxiety. Built with a sturdy steel wire frame to ensure stability and prevent collapse. ?EXCELLENT VENTILATION VISIBILITY?: The backpack has upgraded four-sided mesh windows that offer added ventilation to maximize airflow. The top mesh opening allows pets to stick their head out, enjoy the scenery and interact with the outside world. Made of high-quality 300D Oxford cloth and nylon mesh fabric that is waterproof, anti-scratch, non-toxic, and non-irritating, lets your pet breathe freely and relax. ? CONVINIENT COMFORTABLE SAFE ?: The cat travel backpack provides multiple entrances for convenient access to your pet. The internal pet cushion is integrated with a thick board and sponge that offers a flat and comfortable resting place. Comes with safety belts and buckled zippers to prevent pets from accidentally escaping. Additionally, the pockets on both sides can store food, poop bags, and some necessary accessories. ? COMFORTABLE CARRYING ?: The design of the Pecute expandable large cat backpack focuses on comfort. Widened and padded design, adjustable shoulder straps to help reduce load and increase comfort, as well as adjustable chest and waist buckle design of the dog carrier backpacks to prevent shoulder strap deviation and maintain the stability of the pet carrier backpack. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!