The best restraint harness: Sleepypod ClickIt Sport (crash-tested harness with certification from the Center for Pet Safety.)

The best cat and small-dog carrier: Sleepypod Mobile Pet Bed (CPS-certified safety for small animals.)

The best calming aid for dogs: Ceva Animal Health Adaptil

The best calming aid for cats: Comfort Zone Feliway

The best motion-sickness prevention for pets: Ark Naturals Happy Traveler Soft Chews

The best cargo liner: WeatherTech FloorLiners

The best dog-proof seat cover: 4Knines Seat Cover

The best travel kit: Solvit HomeAway Pet Travel Organizer Kit

The best travel toy: KONG Classic

The best in-room crate: MidWest iCrate

The best spill-proof water bowl: Pet Supply Imports Anti-Spill Waterhole

The best travel litter boxes: Kitty's WonderBox

The best poop bags: Pogi's Poop Bags (smell nice, get the job done, and biodegrade in 18 months.)