Features: 1.EASY TO USE: The side zipper makes the tow bag very easy to put on and take off, and you can lock and pull your pet into the dog tow bag in seconds. Depending on your use scenario, the tow bag can be used with or without the pet scooter. 2.COMPOSITE PLANK: Pet wheelchair consists of 4 universal silent wheels and a lightweight and sturdy composite plank, your pet can easily run, change direction and stop with our pet tow bag scooter, bringing joy to you and your pet. 3.OXFORD CLOTH: Dog tow bag is made of abrasion resistant Oxford cloth, protecting your pet's disabled hind limbs and chest from scraping the floor when not sitting on the dog wheelchair, reducing the risk of potential collision damage. 4.BREATHABLE: Breathable mesh ventilation at the top helps air circulate inside the doggy trailer bag, making your pet feel more comfortable. You can use the dog crate in all seasons. 5.ADJUSTABLE: The chest of the bag can be adjusted with an elastic band, your pet will not feel constricted all the time and it is firm and not easy to fall off. A tow bag with diapers is recommended. Soft padding on the pet scooter reduces vibration during fast running. 6.SIZE OPTIONS: With 3 different sizes of pet wheelchair alternatives to choose from, you can always find one that fits your pet. A safer and more comfortable product for your pet to defend your pet. Specification: Item Type: Pet Wheelchair_x000D_ Material: Oxford Cloth, Composite Plank PackageList: 1 x DogAssistedScooters 1 x DogTowBag Note 1. Manual measurement please allow a small error._x000D_ 2. The bag length is measured from the collar to the bottom.