PLEASE MEASURE YOUR PET BEFORE PURCHASE The dog carrier measures 18x 11x 11 and also can be 38 x 30 x 11 after total expanding the 4 mesh windows. Pet Travel Carrier is equipped with Oxford and high density EVA board for protection, keep upright, sturdy and safe for your pets. UNIQUE 4-WAYS EXPANSION Easy to fold down and unzip four sides to create extra room of our spacious pet bag for your cats or dogs to stay comfortable. Allows your pet to move around more comfortably and reduces the anxiety of confinement. EASY CARRIER AND EASY CLEAN Wear this airline approved pet carrier over the shoulder, secure it in the car with seatbelt, place atop your luggage or carry it with the top handle. Versatile for your cars or all types of traveland the cozy fleece pet bed can be completely removed and machine-washed. MULTIPLE ENTRY WITH MAXIMUM AIR CIRCULATION This soft-sided cat carrier comes with mesh windows giving plenty of openings and air for cat dog with top opening. With zippers on both top and side, your lovely puppy can be put in and out of our dog carrier easily. NoteC Pull the zipper slowly for the first installation after receiving the goods, which will help the product to be used for a long time. About Size: If your pet size is similar to Pet Carrier, we recommend you choose the large size