High-resolution 70″ x 70″ (180*180cm)portable tripod projection screen enhances the look of any presentation. Innovative keystone corrections system promises the clearest, least distorted image. Matte white surface provides a crisp, precise image. Screen retracts on smooth-rolling springs into durable steel carrying case for convenient storage and transportation. Set up and take down is done quickly with a few simple steps. Flame retardant and mildew resistant for long-term value.