The QuickStand 5-Second Series Portable Pull-Up Projection Screen features an easy-to-use design that's perfect for classrooms, lecture halls or auditoriums. This free-standing, pull-up projection screen is integrated into a sturdy aluminum case with wheels for easy transport and utilizes an innovative cross-spring mechanism so set up only takes a few seconds. The matte white fiberglass screen offers a bright, clear picture from any angle, and black border masking enhances clarity and contrast.