The fish tank divider is made of foodgrade plastic material, which is nontoic, tasteless and environmentally friendly and does not affect the water quality. Using a grid divider can effectively separate the fish and prevent them from biting each other. Increase the survival rate of baby fish and separate sick fish from aggressive fish. Size 30.0 15.0 0.8 cm with the help of these dividers, you can easily divide the aquarium into several compartments for breeding or separation. The plastic grid can be cut and combined freely, and the suction cup can be attached anywhere in the aquarium. Color black Material plastic Package Contents 4 Black Grid Dividers 8 Suction Cup Clamps The above package content only, other products are not included. Note Light 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 13 cm.