FLUORESCENT PLANT: GloFish plants fluoresce under blue LEDs.BRILLIANT aquarium ACCENT: Use with GloFish lighting (sold separately) for full effect.CONTAINS: One small green plant with a weighted base.EASY TO CUSTOMIZE: GloFish Fluorescent Plants come in different colors, styles and sizes, allowing for easy customization.EXPERIENCE THE GLO: GloFish fluorescent fish and accessories create a complete underwater fluorescent experience.