30in/40in/50in Pull Up Portable Floor Projector Screen, 16:9/4:3 HD 4K Projection Screen, Portable Screen for Projector, with Storage Bag, for Movies, Office Presentations & More(4:3,30in)

The projection screen is made of white fiberglass to ensure long-lasting performance, and the white fabric surface optimizes image clarity, while the black border enhances contrast and prevents light penetration for a truly immersive viewing experience.
The retractable projector screen does not require installation. It can be easily pulled out by pulling the metal pull ring. The feet can be rotated 90° and pressed to use the lock button. If you want to close it, please operate in the reverse order.
The portable projector screen has a foldable design, the automatic locking function helps you open and close the screen easily, and it comes with a storage strap for easy storage and portability.
The desktop projection screen does not require installation. It adopts a "scissor" spring device. The casing is made of aluminum. It has a compact design, beautiful appearance, and a lightweight body. The bottom support feet allow the screen to stand on any type of flat ground or desktop.
The projection screen has 30in/40in/50in (diagonal) and 16:9/4:3 screen ratio, whether you are watching your favorite movies, sports events, or giving impactful presentations, this screen is guaranteed to The image is clear, vivid and realistic.