Bretford 3770-MKE ( BRE3770MKE ): Portable Tripod Projector Screen Keystone eliminator tilts the screen forward to reduce picture distortion. Strong, yet lightweight aluminum legs with secure magnetic locks. Black steel case, with handle, has steel slat with tension bar for taut viewing surface. Fire-resistant fabric cleans with soap and water. Matte white screen. 70 x 70 Screen Shpg. wt. 33 lbs