Projection Screen Material Foldable ��Anti-Crease Portable Projector Movies Screen for Outdoor Indoor 1. Milk silk screen: The milk silk screen is made of 92% polyester + 8% spandex material, which is delicate and silky, not afraid of mold and moths, and has elasticity and good recovery ability. The difference between the milk silk screen and the thin curtain is that the milk silk screen is thickened in the process, and the fabric has a texture and does not transmit light.2. Lightweight and portable: light weight, foldable, with metal buckles around it, easy to hang up and use. When not in use, you can fold the screen into a small size and put it in a backpack or suitcase. The curtains are reinforced with black edges around the curtain, and the wiring is dense and even, beautiful and practical.3. Multiple size options: 16:9 screen is rectangular, suitable for home theater watching movies, games, KTV, entertainment, etc. The 4:3 screen is square, suitable for office, classroom, hotel, training and commercial projection.4. Easy to install: There are many installation methods, using nails/non-marking nails/ropes, hooks, double-sided tape, Velcro, and can be quickly installed and used outdoors and indoors.5. Large field of view: 170�� viewing angle, each angle can be clearly displayed, supporting 4K high-definition picture quality.6. Installation instructions: (1). First, spread the curtain on the wall, and mark the position of each buttonhole on the wall. (2). Uncover the sticky hook release paper (do not touch the adhesive surface with your hands). (3). Press hard when pasting. (4). Finally, the metal holes are hung flat on the corresponding hooks.