[Magenetic Aquarium Top Cover] Magnetic Fish Tank Lid is an emerging product that prevents fish from jumping out of the tank, prevents from escaping without harming them, and is suitable for use with a wide range of animals and tanks. [Perfect Fit Aquarium Size] Compared with traditional aquarium lid, our DIY lid is not only suitable for square tanks (29 gallon, 20gallon, 10 gallon, and other square aquariums less than 35.5x19.6Inch), but also can be used for non-standard size, round and curved fish tanks, the strips are very soft and bendable, the mesh can be cut, you can cover the different shapes of tanks on top. [Flexible Installation] Two kinds of installation methods: front installation - the thickness of aquarium; side installation - unlimited thickness, curved aquariums, shaped aquarium and so on.In addition, the mesh can be cut to install the filter air pump. [High Quality Netting] The netting is strong, , and can withstand the high temperature of the heating lamp, is large enough to ventilate, and pets can get air circulation. [Special Magnetic Design] Strong magnetic suction, infinite switch, quick to open. The switch is soundless, will not scare the pets. With pull handle design, easy to open and close, easy to feed. Colour:Black Material:pvc Size:90x50cm Package Contents: 1 set * Aquarium Cover Lid Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.