SAFTY MATERIA:Aquarium Fish Tank Filter Bottom Isolation make by safe and environmental protection plastic,won't produce safe effect to aquatic animals box water quality. Size:30cmx30cm/11.8"*11.8"*0.3";Package includes:8 Pcs Fish Tank Filter Bottom Isolate Grid and 10 pcs sucker clip.You can easily divide your fish tank into several compartments with these divider holders for breeding or separation. FLEXIBLE TO USE:each Fish Tank Divider can be snapped together to make a large panel,also can be cut easily with wire cutter to your desired size to fit your fish tank. PRACTICAL AND DURABLE:You can easily divide your tank into several compartments with these divider holders.This plastic grid can cropped and free splice combination. Multifunctional:Effectively separate the fish and avoid bites each other;decorative support frame for easy cleaning of feces;turtle drying platform;controller storage rack.