Jumbo 20 Feet Inflatable Outdoor and Indoor Theatre Projector Screen Get ready for a theatre experience. The Jumbo 20 Feet Inflatable Outdoor and Indoor Theatre Projector Screen ($220, originally $244) measures 13 feet wide by eight feet tall, and is 15.5 feet diagonal. Overall, with the frame, it's 20 feet diagonal. Image Source: walmart.com Jumbo 20 Feet Inflatable Outdoor and Indoor Theatre Projector Screen $220 from walmart.com Buy Now