Touchdog Ultimate-Travel Airline Approved Backpack Carrying Water Resistant Pet Carrier Can be carried as a backpack, over-the-shoulder or by hand; Features mesh-comfort adjustable backpack straps Airline approved, The optimal pet carrier for travel 360 degrees of mesh visibility with a side mesh zippered entrance Composed of waterproof coated nylon-polyester outer shell Features a built-in leash securer and comes with over-the-shoulder straps