550Pcs GlowStone Glowing in The Dark Pebbles OutdoorDecor Fish Tank Gravel Rocks

🧿Quantity: 550 pcs of glowing stones, The dimension of each luminous pebbles is 0.8"-1.2". Color: Pink in daytime, glowing purple in the dark. Weight: 2.4 lbs/bag 🧿Eco-Friendly Material: the glow pebbles are made from Polystyrene (PS), non-toxic & tasteless, non-radioactive. 🧿Glowing Time: Glow lasts approximately 2-3 hours in the dark after direct sun exposure. Glow around 10 hours if it's lamp light charge power for glow stones. If your rocks in garden not glow, pls set rocks near lamp. 🧿Multifunctional Glowing Stone: ideal decor for waterscapes, landscape decoration, potted plants, edge a flower bed, fish tank, lighting a walkway or driveway, gardens, crafts, aquariums, etc. Make your garden or yard to look different from your neighbors at night with glowing stones! Product features: - Line a walkway, edge a flower bed, decor garden or fish tank with these unique pebbles. - After absorbing light, the pebble will glow brighter within 2-3 hours, and then the brightness will decay quickly. - Pebbles can absorb light repeatedly, and their life expectancy lasts up to 15 years.Specifications: Material: Photoluminescent pigment +Polystyrene Color: Purple Size: 0.8"-1.2"(approx) Package includes: - 550 × Pebbles Stone(Pink in daytime, Glowing Purple in the dark)HOW TO USE: To glow in the dark, glow stones need charge power with light first. Best power source is lamp light. Charge with lamp light, rocks could glow bright about 10 hours.