Description: Material: Plastic Size: S: 8*7*11cm/3.15*2.76*4.33inch L: 10*7*13cm/3.94*2.76*5.12inch Color: Transparent 1. Designed specifically for fish egg incubation, providing a safe and stable incubation environment, significantly improving the hatching success rate. 2. Breathable and escape-proof structure ensures sufficient water circulation while preventing fry from escaping, suitable for various fish species. 3. Adjustable water level and control adapt to the hatching needs of different fish species; simple and convenient operation. 4. Made of high-strength environmentally friendly material, corrosion-resistant, harmless, ensuring healthy growth of fry. 5. Modular design, easy to install and clean, compatible with various aquarium sizes, highly expandable. Attention: 1. Manual measurement may have an error of 1-2cm. Please understand, thank you. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Package includes: 1 * Aquarium Hatching Box