High quality suckers can used to fix the product conveniently. Color: Transparent Product Size: Small / Large (Optional) Material: Plastic Floating design, double layers combination, saving space. Can be used as the spawning box for the viviparous fishes. Isolation function: can isolate aggressive fish, injured fish or small fish. Unique transparent cover design, preventing fish jumping out of the box. Prevents adult fish attack so as to improve the survival rate of juvenile fish. Small: 8 * 7 * 11cm / 3.15 * 2.75 * 4.33in (L * W * H) Large: 10 * 7 * 13cm / 3.74 * 2.75 * 5.12in (L * W * H) Package Included: 1 Pc*Incubator Isolation Box Notice: 1.Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. 2.The colors may have different as the difference display, please understand. 3.Conversion : 1 inch = 25.4mm or 1mm = 0.0393 inch,1cm=10mm Prevents adult fish attack so as to improve the survival rate of juvenile fish, like the guppy Isolation function: can isolate aggressive fish, injured fish, small fish, shrimp and other marine fishes Can be used as the spawning box for the viviparous fishes and remove all the partitions to work as a large hatchery box Unique transparent floating design, preventing fish jumping out of the box,double layers combination, saving space