Easily opens and then closes itself securely using 18 powerful magnets * No need to worry about full hands, children, or pets leaving the door open * Keeps fresh air in while providing an impenetrable barrier to bugs * Sets up in seconds with no tools required and folds up for easy storage * Includes: (2) 83 in x 19.5 in mesh panels, (12) hook and loop strips and (20) wood tacks