The innovative opening designs with protective cotton lining ensures gentle plant fixation, and the ceramic construction is rustproof in aquarium environment Suitable for aquarium enthusiasts seeks professionalaquarium plant weights accessories, aquarium plant retailers maintaining window display, and hobbyists cultivating delicate carpeting plant Widely used for stabilizing vegetation, creating aquascapes in show aquariums, or organizing hydroponic environment with natural aesthetics These aquarium plant weights aquarium water plant fixed rings maintain functionality beneath substrate while their neutral tone complements any underwater theme without visual intrusion Crafted with upgraded ceramic, plastics and cotton, these aquarium plant fixed rings aquarium plant weights set securely under water plant, avoiding floating while blending seamlessly into freshwater, saltwater