Bug busters companionway insects screen.A simple solution for no-see, mosquitos and other bugs. The unique to the market companionway model ties to the handrails and drops down to the cockpit floor. No velcro or frame needed. Allows full companionway opening permitting very easy access to and from cockpit. Features & Specs: - 100 per cent Mil Spec Polyester mesh, military spec, flame retardant. Lead ballasted (will not affect compass). Installs easily by attaching to hand rails with built-in ties. Allows easy access to and from cockpit. Stows in a strong plastic carrying case. Size: 78 inch long x 42 inch wide. Just take maximum inside companionway measurement and add 3 inches on each side and on top to fit neatly. Example: A 30 inch x 68 inch inside opening, would use a 36 inch x 72 inch screen. On the tapered screens, the tapering begins at the halfway point of the length, 34 inch and 39 inch respectively. For the 44 x 38 screen, the taper begins at 26 inches. Rectangle shape.