So you would like to take your cat or dog with you and let it enjoy the scenery? The Texsens Bubble Backpack has you covered. It comes with a semi-sphere window and can accommodate small dogs. It has adjustable padded shoulder straps and built-in security leash. It also has mesh panels, ventilation holes, and top & side entries.
This backpack fits up to 12-lb cats. Costs under $60 at this time.