Ending today, Sierra Trading Post offers the Aspen Pet Complete Animal Airline Travel Kit, model no. 25019, for $5.50. Plus, coupon code "ETJXR0317" bags free shipping. That's a savings of $20 and the lowest total price we could find. The kit includes a kennel pad that can be cut to fit most kennels, spill-resistant food and water bowls, two live animal stickers, pet ID tag, shipping ID sticker, and 12 zip ties. (Note that this kit doesn't include a kennel.)