Features: 1.Fish tanks special decoration, beautification, hurtlessness, containing minerals, suitable for fish tanks and flowerpot landscape. 2.Natural stone material, after being wet by water, will more transparent and bright, no artificial addition of dyeing ingredients, can beautify fish tanks, purify water quality. 3.Setting natural stone, non?toxic and harmless, does not affect healthy of fish, contains minerals and microelement, can promote color of fish. 4.After high technology rigorous polishing, surface smoothly, will not harm the fish. 5.No artificial addition of dyeing ingredients, under dry state, slightly dim color, after wetting with water, will more transparent and bright, suitable for aquarium fish tanks landscape, bottom sand landscape, flowerpot landscape. Specification: Item Type: Aquarium Landscape Fish Tanks Decoration Stone Material: Sandstone Color: As Pictures Shown Suitable: Aquarium Decoration, Fish Tanks Decoration Quantity: 1 Bag(1kg) Product Effect: Natural Material, No Dyeing Ingredients, No Produce Nitrite and Nitrate, Can Safely Used. Contains Minerals and Microelement, Can Promote Color of Fish, Suitable for Fish Tanks and Flowerpot Landscape. Weight: Approx. 1022g Diameter: Approx. 1.5-2cm/0.59-0.79inch PackageList: 1 x Bag of Fish Tanks Decoration Stone