Description: Self Assembly Aquarium Net Cover: Anti-jumping mesh netting is designed to prevent fish from jumping out of the tank. It is a good helper to prevent fish from escaping Easy Installation: Please Note that this aquarium screen top cover need to DIY assemble by yourself. Front installation suitable for aquariums with thicknesses large than 6mm, side installation without limiting Practical Screen Net: Magnetic Fish Tank Cover Anti-jumping net has 5mm hole fine mesh, black color, modern and stylish Easy to Use: Aquarium screen net fish tank lid anti-jumping net covering replacement, providing a perfectly fit for your aquarium, prevents your aquatic pet from jumping out Material: Fish tank covering replacement net, fish tank cover cover is wear and tear resistant, not easy to deform, can be applied for long time, easy to clean and reusable Specification: Material: Polyester Color: Black Size Chart: Optional: 30cmx30cm/11.81inchx11.81inch or 40cmx30cm/15.75inchx11.81inch or 50cmx30cm/19.69inchx11.81inch or 60cmx30cm/23.62inchx11.81inch or 80cmx40cm/31.50inchx15.75inch or 100cmx40cm/39.37inchx15.75inch Package Includes: 1 Magnetic Fish Tank Lid Cover Kit (Self Assembly)