SAFE AND STURDY MATERIAL: Those egg crate light diffuser are crafted from high-quality and eco-friendly plastic materials, which is durability and safety, and no threat to the water quality of the aquarium, offering a secure environment for fish and aquatic plants without causing harm PRACTICAL DIVIDER TOOL: This aquarium divider serves as a useful tool for maintaining a harmonious and organized aquarium ecosystem, effectively separates fish to prevent aggression, facilitates breeding various species separately, enhances the survival rate of fry, and isolates sick or aggressive fish from others EASY TO DIY: Each fish tank separator can be effortlessly connected to form a large partition or trimmed with pliers to fit your tank size precisely. The flexible assembly process allows for versatile configurations tailored to your specific aquarium layout needs PACKAGE INCLUDE: You will receive 14 plastic grids, each measuring 11.8×11.8 inches, with individual grid sizes of 0.39×0.39inches. This ample quantity ensures you have enough dividers to meet various partitioning requirements in your fish tank setup WIDE APPLICATION: Beyond fish separation, plastic grid panels serve a wide range of purposes, such as decorative support racks, turtle sunbathing platforms, controller storage shelves, egg crate light diffuser, and plastic fencing Our fish tank dividers are essential accessory for organizing and enhancing the functionality of your aquarium breeder box’s environment. Package: 14×Aquarium Fish Tank Dividers Specifications: Material: plastic Color: white Size: 11.8×11.8inch/30×30cm IMPORTANT: 1. Please check the package if it is in a good condition. 2. Our all items are come with 180 days free after-sale service, if you do have any questions please feel free to contact us!