●Each Part Has Its Own Double-Layer Inflation Nozzle,Which Can Be Inflated Separately According To The Size Of The Space And Prevent Air Leakage. ●It Can Be Switched From Sofa To Mattressin A Few Seconds. ●The Car Air Mattress Can Used In Various Occasions, Such As Car, Home, Camping, Travel, Beach And Garden. ●The Car Travel Mattress With 6 Separate Air Bags Is Compatible With Back Seat And Suv Car'S Trunk.