Simply extend the screen to start using it and collapse it back in to its case when you're done. Using PET screen material and unique extended spring structure to ensure the screen surface perfect flat when put on the table. Table-top projection screen features an incredibly easy set-up that utilizes a "scissor-back" spring mechanism for complete set-up in seconds. 160° Wider Viewing Angle - The outside projector screen with a wide viewing angle up to 160° , that means you don't need to sit directly in front of the screen, just only need to select the most comfortable viewing posture to enjoy wonderful movie night. Suitable for outdoor camping movie, open- cinema, translucent screen is designed forfront or back projection.