Luminous conch shell,starfish could glow in the dark more than 6-10 hours,through absorbing the sunlight/lamplight in daytime ,can glow in the night better.
Unique decoration for the fish tank and aquarium Harmless to All Fish,Fits Salt water and Fresh water

Feature:
High brightness , long life time
Water, acid and alkali resistant, antioxidant
Use environmental friendly material: no radiation, non-toxic
One side of each stone is flat, for easy decoration.
Designed for use in fish tank, garden ,yard ,line a walkway, wall,vase, flower pot, swimming pool,any place you want to use.
Note:

Not toys, keep away from children for chocking hazard!

• Material: Photoluminescent pigment + resin .Use environmental friendly material: no radiation, non-toxic
• Random Color
• Add these resin glow-in-the-dark conch shell and your fish not alone,bright for a fish little point light,let your fish tank come alive at night.
• Water, acid and alkali resistant, antioxidant,designed for use in Fish Tanks, Pools, & Ponds.
• Luminous Conch Shell,Starfish could glow in the dark more than 6-10 hours,Please expose it to the sun in the daytime make it absorb enough light, so that they can glow in the night better.

Material: Photoluminescent pigment + resin .Use environmental friendly material: no radiation, non-toxicIdealDecor