Features: Please measure your tank opening to the closest millimeter before purchasing. Our aquarium lid canopy can be cut to fit ventilation ducts, heaters, and other equipment. The canopy has handles and can be folded open. Specifications: Material: mainly glass Color: mainly clear Size: about 19.33" x 9.65" x 0.12" Package includes: 2 X glass aquarium lids with hinge strips and handles Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays