Features: Easy to Maneuver: Side zippers makes the drag bag very easy to put on , you can zip your pet into the dog drag bag in seconds. Depending on your usage scenario, the drag bag can be use with or without the pet scooter. Restores Pet Mobility: Pet like to run and have fun with their families. The Pet Scooter is designed to bring happiness to you and your pet. Constructed with 4 universal silent wheels and lightweight and solid board, the pet can run and change direction and stop easily with our pet drag bag scooter. Protect You Pet: Use of nylons cloth material, protect your pet disabled rear limbs and chest from scraping against flooring when not in dog wheelchair. Comfortable: Breathable mesh ventilation on the top helps air circulation inside the dog drag bag, making your pet feel more comfortable. You can use the dog drag bag in four season. Package Includes: 1 Set Dog Wheelchair Help Specifications: Material: Nylons Size: S/ M/ L S: Collar 20-25cm/7.87-9.84inch, Bag 30-38cm/11.81-14.96inch, Bag Length 35cm/13.77inch M: Collar 25-30cm/9.84-11.81inch, Bag 43-50cm/16.92-19.68inch, Bag Length 45cm/17.71inch L: Collar 30-35cm/11.81-13.77inch, Bag 48-55cm/18.89-21.65inch, Bag Length 50cm/19.68inch note: Please allow 1-2cm errors due to manual measurement,Please make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color of the item.