Comfort Cruiser Window Bumper. Auto Travel Pets. Original Patented Comfort Cruiser Window Bumper by Dog Bed King USA. The Comfort Cruiser is a protective bumper that fits securely on a vehicle's window to protect a pets neck and chin while in a vehicle. Easy to install and remove. Provides a safe and comfortable cushion between the glass edge of the window and the dogs neck and chin. Create a safe environment in your vehicle for your traveling pet companion. See Dog Bed King's full line of pet products including the 'original' Cuddler style Dog Beds.