Shine in the Dark Glow in the Dark Kieselsteine für Landschaftsbau und Schwimmbäder

For ultra Long Life Span: Glow in the dark pebbles can absorb sunlight and lamplight repeatedly with for ultra long life span up to 15 years. No Electricity Required: After being exposed under sunlight or put under strong light(lamplight) for an hour,Glow stones can glow for hours in the dark.

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