About this item Versatile Decoration Widely used in aquarium, fish tank, succulents, etc, these stones enhance the beauty of your space. Versatile Decoration Widely used in aquarium, fish tank, succulents, etc, these stones enhance the beauty of your space. Various Colors and Sizes These river rocks come in different sizes, approximately 1/5 to 3/8 inch, making for a better looking diversity. Wide Compatibility They can be used for decoration and also serve as drainage materials to protect the soil from erosion. Environmentally Friendly These naturally formed stones are long-lasting, resilient, and eco-friendly, offering a sustainable and visually pleasing option.