Fish tank divider is made of acrylic, safe and durable, and no harm to your , and will not affect water quality, you can use it with confidence. This set comes with fish tank isolation board and suction cups and other installing fixing accessories, a nice combination for use and installation, bring huge convenience. Can be used for fish tank mixed breeding. Features -Color:Transparent -Material: Acrylic. - Size: 7.00X4.00X2.00cm/2.75X1.57X0.79in - Offers suction Cups, easily to , greatly save your time. - Suitable for most small fish tank, an way for mixed breeding, very convenient for use. - Not only can be used to isolate fish, but the platform can also be used as a bottom filter. - A perfect present choice for your friends who have pet fish, show them your love and concern. - Quality acrylic clear board with holes, give your pet fish a sense of security, good for their living environment. Package list: 4 x isolation boards 4 x suckers 4 x screw spikes 4 x turnbuckles