Practical screen net: the package contains 1 piece 6 x 7.2 ft aquarium screen net in clear, which is long enough to meet your needs and replacements for aquarium, you can DIY the size you need to fit your fish tank, you can use a screen frame kit (not included) with mesh to create aquarium top Durable and sturdy: made of quality nylon material, the fish tank DIY mesh screen net is sturdy and durable to apply, not easy to tear and fray, can be applied for a long time, meanwhile, it is reusable that you can clean it at ease Mesh design: the fish tank replacement net designed in 0.31 x 0.31 inch/ 8 x 8 mm mesh holes can let the light come in without preventing it from getting into the fish tank and can accommodate small fishes to prevent them from jumping out of the fish tank, and it is coarse to fit into a reasonably sized piece of food without removing the top