72" 4:3 Solid Aluminum-Alloy Case Portable Floor Pull Up Projector Screen With Self-locking Function 72" Diagonal screen size, 59"(W) x 44"(H) viewing area Easy-carry floor pull-up operation design, no need to installation Matt white screen fabric, durable and easy to water-wipe clean 160Viewing angle and 4:3 screen format, ideal for education and home using CE, FCC, RoHS certificated products