Non-toxic and safe: This aquarium lock decoration is made from safe and durable resin. This eco-friendly resin material is non-toxic, free of harmful substances and harmless to fish and water quality. Size: 17 X 13 X 7 cm / 6.69 “X 5.12” X 2.76". Nice for small fishes and shrimps, it won’t take much space in your aquariums. Aquarium decoration: unique design, bright colors, realistic image.Suitable for aquarium landscaping, looks very exquisite and realistic, makes your aquarium a gem. Creating a natural environment: provides shelter, hiding places and entertainment for fish It’s great to keep decorating your aquarium all the time with minimal responsibility and maintenance. Entertain Your Fish: Ideally suited as entertainment, breeding or hiding place for small fish. both freshwater and saltwater aquariums, turn your aquarium into a beautiful landscape.