3-in-1 use -- All in One: Can be used as Double Pet Stroller or Carrier Bags or Car Seat. You can decide how to use it according to your different ways of going out..Sturdy and Well made -- Durable steel frame design, Can hold cats dogs and any small animals up to about 17 lbs. Oxford cloth design, bite-resistant and scratch-resistant..Easy to use -- Foldable design for easy storage and carrying. 360 degree swivel front wheels + rear wheels with brakes, easy to stop and easy to walk, keep safety..Soft and Breathable -- There is a soft cushion at the bottom of each layer, keep comfort and warm; Mesh design, keep breathable, let your pet breathe freely..Suitable for -- Good choice for cats, dogs, kitten, puppy, doggie and other small animals. Fit for Daily use, such as a walking, jogging. Also fit for outdoor travel.