Petsfit Expandable Travel Dog Carrier with Fleece Mat, Most Airline Approved Pet Carrier for Easy Carry on Luggage, Soft Sided Flodable Cat Carrier with Pockets to Store Goods Extra space provided for long rides.PLEASE ALWAYS CHECK YOUR AIRLINE RULES AND REGULATIONS PRIOR TO FLYING. Dimension:18"Long,11"Wide,11"High,20.5" Wide on the bottom when the porch fold out. For pet up to 13 pounds.Please measure your pet. Big pocket, nice removable mat. Folds down completely flat for storage. Petsfit fabric pet products are made of durable mesh and Nylon oxford.( If your dog is a chewer or tries to escape from the it, this will not hold up) Zippers on most Petsfit pet products are <span class="a-text-bold">lockable</span>(please check the features)which means pet cannot open the zipper from inside. Most petsfit pet products(carriers,booster seat,backpack, soft kennels/cages,playpen,crate cover,cat litter box,lightweight cat tree,carrier for bicycle) are <span class="a-text-bold">foldable</span> for easier storage,please check the features. Dimensions will be marked <span class="a-text-bold">as specific as possible</span> on all our products,error may occurred,measuring error within 1 inch. We test the pet products with our own pet,normal size <span class="a-text-bold">cat 8LBS</span>.Estimation might be inaccurate.Please compare it&#039;s size with the kennel,carrier or house you have and choose the right size. All <span class="a-text-bold">pad </span>are machine <span class="a-text-bold">washable</span>,you CAN take the pad cover off. Secure inner leash are avaiable in Petsfit carriers.