Stackable Aquarium Decorative Grottoes, Hidden Breeding Sites For Prawns Description SAFE MATERIAL: Made of natural, fine and fine compressed sand with very smooth surface and edges, absolutely very safe for your fish, it also filters and purifies the water. It is suitable for small snapper, Lichthyidae fish when they need to rest or breed. Visual feast: This hidden cave offers you a visual feast and a "house" for your fish. The cave allows fish to stop for visits. Easy to stack: The top of the cavern is flat and stackable, and you can tilt the hole in any direction. GIFT OPTIONS: These aquarium hiding rocks for fighting fish also make a beautiful and special gift, such as a gift for a girlfriend, boyfriend, best friend or especially an older child. If your boy or girl has their own small fish tank, this would be the perfect gift for them. Package contains 1 x Fish tank decoration Aquarium stone cache features. Made of ceramic material, it is breathable and has a purifying effect on the water in the aquarium. The hollow cave provides shelter, hiding place and spawning ground for your fish (such as crayfish, shrimp, fighting fish, Lepidopteridae, hermit crabs or other small fish), offering them privacy. The unique shape and stackable sculpture give this hidden chariot a modern feel. Safe to use in fresh and saltwater aquariums. Aquarium cavern cleaning tips. Easy to clean, when cleaning the tank, simply wipe and rinse off the decorations with warm water. Do not use soap as the residual soap particles can harm your fish. Specifications. Material: natural ceramic Color: As shown in the picture Size: as shown in the picture Weight: 100g to 130g Suitable for fish tank size: recommended 1-50 gallons