[1. The Magnetic Fish Tank Cover can Prevent Fish From Jumping Out of the Tank Prevent Reptiles From Escaping without Harming Them And is Suitable For Various Animals and Fish Tanks. 2.Diy Magnetic Fish Tank Lid is Suitable for Circular Fish Tanks with Curvature and Non-Standard Fish Tanks and The Added Feeding Window Makes it Easy to Feed Fish 3.The Mesh is Strong and Corrosion-Resistant And can Withstand the High Temperature of The Heating Lamp; The 5mm Hole Allows for Ventilation Allowing Pets to Have Air Circulation. 4.Two Kinds of Installation Methods: Front Installation -- The Thickness of Aquarium > 6 mm; Side Installation -- Unlimited Thickness Curved Aquariums Shaped Aquarium And So On.In Addition The Mesh Can Be Cut To Install The Filter Air Pump. "5.We are proud of our customers satisfaction. If the product does not meet your needs please contact us. Please feel free to purchase."]