Package for three with a backpack, sturdy canvas material, a slight water proof function. Can be hand / side hung / double back, go out for a variety of needs. Suitable for small dogs and all cats! Dirt machine washable! Network side of the window, the net out of the window to do a useful ingredient lid, the lid can be controlled through the Velcro opening and closing windows can always look through the mesh bag pet movement; the other side of the bag is a mesh bag placed water bottles and other items; the middle of the front bags are half-moon-Chain ports for easy access to the dog; the top of the front zipper mouth export skylights, a main ingredient to do the curtain, through the Velcro opening and closing. Removable bottom of a thick hard plate, so that the baby inside your home can be as in the ground.