100" 4:3 Portable Pull-up Screens100" 4: 3 Portable Pull up Screens Durable, fashionable, lightweight aluminum cases make it a good partner for business trips. Simple scissors with pneumatic cylinders structure at back allow the screen to extend at any desired height in seconds. Features The uniquely designed screen lifts up and out of its sleek aluminum case and is ready to use in seconds Lightweight and self standing so it goes anywhere. Perfect for traveling or business