The air release on bottom. The zipper pull has fallen off and have had to use clips to ensure air stay in inflatable. The Santa's Express 3 Section Holiday Train is a 12-foot inflatable Christmas decoration featuring Santa Claus. This festive yard decor is perfect for adding a touch of holiday cheer to your home during the Christmas season. The inflatable design makes it easy to set up and display in your yard, bringing the magic of Christmas to life for all to enjoy. PLEASE FEEL FREE TO ASK ANY QUESTIONS. PHOTOS ARE OF ACTUAL ITEMS ON HAND SMOKE FREE HOME SHIPS FROM CENTRAL U.S SEE PHOTOS FOR FULL DETAILS 1 DAY HANDLING TIME WE APPRECIATE YOU LOOKING