Explore a range of new positions using a standard door. Simply place the two heavy-duty metal tubes over the top of any open door, close the door, and lock it for safety. Adjust to a comfortable height and prepare for an unforgettable experience. It sets up in just minutes with no permanent installation required. This sturdy setup can hold up to 400kg / 881lbs. The package includes two heavy-duty metal door jam tubes, two acrylic leverage handles, a padded seat, and a complimentary satin eye mask.