Specifications:Mesh Material: AcrylicColor: Clear/TransparentFeeding Port Hole Dia: 3cm(1 1/5in)Breathing Hole Dia: 0.8cm(3/10in)Shape: Square/RectangleCan be cut? YesSize: Length Width (Please provide the length and width of your aquarium. We will custom-make the cover to the correct size.)Features:Aquarium top cover reduces moisture evaporation.Breathing holes provide excellent ventilation for pets.Heavy-duty and pressure-resistant cover effectively blocks cats.Prevents debris from falling in and prevents cats from scratching the fish.Remember to remove the protective film on the cover for optimal transparency.The high-definition transparent acrylic panel ensures optimal light transmission and viewing experience.Our fish tank anti-jumping aquarium lid can be cut and installed according to different fish tanks,which is suitable for different size aquarium fish tank.Package includes:Aquarium Lid x 1Warm Tips:1. Manual measurement, please allow slight