Petco offers Sherpa Bubble Cat Carrier Backpack for $67.99 (reg $79.99) with free shipping.

Product Description:
Sherpa Cat Carrier Backpack gives you pet Fun bubble to see out while also providing safety and comfort for both pet and pet parent!

•  Bubble can be swapped for a plastic screen
•  Made with high quality lined faux leather
•  Ventilation openings on front and side for safety
•  Easy to load and close with side zippers
•  Padded straps for comfortable carrying
•  Machine-washable liner
•  Locking Zippers