Crafted from natural volcanic stones, these decorative pebbles offer a unique and earthy aesthetic for fish tanks, aquariums, and vases. Their porous texture enhances water filtration, promoting a healthier aquatic environment. Perfect for creating a visually appealing substrate, they blend functionality with style effortlessly. Features -Color:Light Brown -Material:Volcanic rock -Size:0.60X0.60X0.60cm/0.24X0.24X0.24in -Unique volcanic stone decors: made from natural volcanic stone, these rocks add a touch of nature to your desktop aquarium, enhancing its visual appeal -Vase filler stones: volcanic stones have a porous structure that effectively resolve impurities in the water, improving water quality and creating a healthy aquatic environment -Ecological balance: as a biological filter material, these stones promote the growth of beneficial microorganisms, establishing an ecological cycle system and reducing the frequency of water changes -Flexible placement: suitable for various desktop decorative vases or aquariums, these stones allow you to easily create stylish home decor, adding fun to your life -Easy maintenance: volcanic stones are wear-resistant, easy to clean, and maintain their beauty over time, reducing daily maintenance work Package list: 150 x volcanic stone