●DIY Magnetic fish tank protective net Keep fish from jumping out ●Magnetic attraction, easy to open and close,Can be Front install or side install ●Strong bearing capacity, anti-pressure. Prevent fish, reptiles, turtles, etc., from escaping Avoid Cat catching fish ●The size can be cut to fit the tank. Big mesh with good light transmission, easy to feed ●The mesh can be cut, for any pipe go through Groove design, the mesh can be changed after years