With an extreme glowing effect this glow in the dark and fluorescent sand can be used in outdoors and indoors decorations. It is perfect decoration for wishing bottle, waterscape, landscape, potted plant. Features: Glow in the dark after full sun exposure, can lasts approximately 2 to 8 hours. Perfect decoration for wishing bottle, waterscape, potted plant. Lighting a pathway, driveway, flower bed, fish tank aquarium or garden, etc. Non-toxic, harmless, non-radioactive, safe to skin, strong environmental adsorption capacity. Long life time, repeatedly absorbing energy and emitting light for 15 years. Specifications: Material: granule Colors: yellow green, yellow, golden, blue green, blue, green, rose red, sky blue, violet (optional) Package size: 100 * 80 * 50mm / 3.94 * 3.15 * 1.97in Package weight: 30g / 1.06oz Note: The product cannot glow itself, it glows in the dark after absorbing light energy. Package List: 3 * Bags of Fluorescent Sand
