Sieral Aquarium Polycarbonate Canopy Set 2 Pcs 22.95 x 16.61 x 0.12 Inch for 75/90/110 Fish Tank with Center Brace Aquariums Cover Fish Tank Lid with a Hook Knife, Breathable Hole and Handle, ClearBrand: Sieral Color: Clear Features: Functional Material and Design: enjoy the flexibility of the aquarium lid made from polycarbonate, a material that is less fragile and lighter than glass, not easy to deform, remember to tear the film for optimal clarity, Please measure your tank opening to the closest millimeter before purchasing Detailed Packaging: the package includes 2 aquarium lids, 1 hook knife and 2 handles; The hook knife can help you cut