Pet Gear I-GO2 Day Tripper Rolling Pet Backpack for cats and dogs up to 7-pounds Five products in one; roller bag, backpack, car seat, airline traveler and tote Internal fleece pad Included tether can be attached to your pet harness for extra safety Telescoping handle stores out of the way just like a suitcase Measures 11 x 12 x 17.5-inches; holds up to 7 pounds