The innovative U-Pet Pet Bubble Backpack Pet Carrier allows you to take your pet’s best companion with you wherever you go. It also provides them with a fascinating view of the outside world through a hemispherical window. This dog backpack is ready for the outdoors and travel. You can use it to transport small pets or cats for hiking. The entire backpack weighs about 3 pounds and is recommended for cats less than 13 pounds and dogs less than 11 pounds to leave enough room to turn around. And comes with many ventilation holes as well as mesh panels, and a built-in safety harness removable pad, as well as a viewing bubble that can be converted to mesh or removed. The backpack is designed with large windows so your cat can enjoy the view! It also provides a peaceful area for your cat to travel in peace and comfort.