Piggyback 2WAY L size and larger for small dogs hug bag Carry bag hug (japan import) 2WAY type hug also piggyback ride can be. To appear in the image because it is a little small M size, here is a little bigger for dogs. t is safe to know the state of the dog because it can be a sense of security  hug're in chest dog. Side has become a mesh, breathable comfortable well. Can be fitted with a single touch. I can also adjust the length of the backpack straps. Hooks attached to the collar in order to prevent it popping out also arrived.