It's a fully enclosed, portable, pet car seat that lets him travel with safety and a view! Secures to your car's seat with a triple-wrap Velcro seat-belt snugger. Interior safety belt attaches to your pet's harness or collar, and the padded booster seat elevates your pet for a view. Top unzips and rolls down. Two zippered side doors. Exterior pocket. Washable fleece-like liner pad. Doubles as a portable pet carrier with three sturdy handles. 600x600-denier rip-stop polyester. Luggage tag and pet I.D. tag included. For pets up to 12 15 lbs., up to 13" tall at the shoulders. Pet Cruiser With Suitcase Base. Base is a suitcase for your pet's necessities; includes two detachable, 9"x13" zippered bag travel kits (one mesh and one plastic) for food, treats, toys. Zippered side pocket. Carry/tow strap (included) attaches to "D" rings to roll the carrier on its four wheels. Opens to 18"x13"x22" tall (including lower suitcase); collapses for storage to just 9" thick (including the lower suitcase). Pet Cruiser Portfolio has no lower suitcase. Opens to 18"x14"x14" tall; collapses to 5" thick in its portfolio travel case.