Luminous Cobblestones 100 Pcs Pebbles Stones Glow in the Dark for Aquarium Fish Tank Gravel Decorations, Fantastic Garden or Yard (Blue)

Description

Specifications Color: blue Material: Photoluminescent pigment + resin Diameter: about 20*30*10mm/Pcs. Quantity: 100 pcs blue glow pebble Features Can be placed in water, no harm to fish and water 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.