Day Signals or Day Shapes are used for communicationThere are five types of day shapes Circle Diamond Cone Apex Pointed Up Cone Apex Pointed Down and a Cylinder Features. Heavyduty vinyl coated nylon fabric. Stainless steel framing. Fully collapsible when stored. Simplicity of design rapid and rigid display when requiredSpecifications. Dimensions 24 24 6 in. Weight 3 lbs