Mammoth 20-foot open air home theater systemLightweight and durable design with 16:9 aspect ratio274-inch matte white diagonal projection surface with light-blocking backdropIncludes inflation fan and grounding stakesDimensions: 9.8L x 17.5H feet. The Open Air Cinema 20 ft. CineBox Home Theater System brings the glow of the silver screen to the comfort of your own backyard. Constructed from durable and lightweight materials this magnificent open-air cinema is a fun and exciting way to turn any backyard pool or any outdoor space into an unexpected movie theatre. The large inflatable screen features a wrinkle- and scratch-resistant white matte surface with a light-cancelling black backdrop for a crisp contrast ratio for your viewing pleasure. Complete with two powerful outdoor speakers this entertainment Mecca features a user-friendly audio mixer with A/V cables and adapters light (for use in the dark) and a heavy-duty carrying case. This microphone compatible system is easy-to-use and versatile for weddings parties or movie night.