Product details:

For efficiency and clarity in presentations, the Elite Screens 100 inch Manual B Series Projection Screen. With a 100 inch diagonal, this 1: 1 gain MaxWhite screen is durable, easy to clean and excellent for presentations in the office, classroom or anywhere it is needed. This product is designed for dual wall or ceiling installation. It is for a 1: 1 format and measures 71 inch x 71 inch.