Add Beauty to your Fish Tank. This mountain has lava rocks surface, looks natural and realistic, set it into your tank, create an natural landscape environment to your love fishes. Increase the natural beauty to your aquariums. The mountains rocks has green plant in the crevice, this design can fill your aquariums tank full of vivid. Make your love fishes relaxing and interesting. Your Fishes must like to play and rest around the rocks, they will enjoy themselves in the aquariums with this mountain rock. Convenient in daily aquarium care. This aquarium slate rocks made of resin material, it is suitable for fresh and marine water, no special care in needing. Essential Fish Tank Decorations for your Aquariums. Aquarium Rocks Size: 8.67 x 3.74 x 6.30 inch (Length x Width x Height). Place this Fish Stones Rocks into your fish Tank, change the life of your fishes into happily and relaxing.