This screen cover pairs a black woven wire mesh top with a steel perimeter frame built to rest on the open top of a glass terrarium. A hinge runs down the center of the mesh, splitting the lid into two halves so one side can be lifted for feeding or maintenance while lighting or heating fixtures mounted on the other half stay in place. The mesh is rated to withstand the heat given off by overhead bulbs and resists corrosion from long-term exposure to a heated enclosure. The steel frame is designed to hold its shape after repeated daily opening and closing. Each cover ships as a single ready-to-use unit with no assembly required. For extra holding power against determined climbers, the cover can be paired with separately sold Zilla screen clips.