The PVC plastic outer layer makes this tub proof against punctures and tears, allowing for you to put it wherever you wish exterior without having get worried. Just Ensure that you budget some time beyond regulation to empty this model—some reviewers say it will require approximately quarter-hour. If Anybody concern http://www.northlandhq.com/directory/listingdisplay.aspx?lid=34809#.Y-CqR3a9thE