Features:

• Non-toxic, harmless, non-radioactive, strong environmental adsorption capacity.

• Non-flammable, non-volatile. No specific storage requirements.

• Polyresin mix with fluorescent metal oxide, durable and long life.

• High-intensive luminous,exposed 1-30 minutes in light can glow in the dark up to 1-5 hours.

• Long life time,repeatedly absorbing energy and emitting light for at least 3 years.

Specification:

Weight: 655g (300pcs)

Single pebble dimension: 3 x 2 x 1 cm

Usage Instructions:

1) As decoration in Aquarium, fish tank, wall , garden trails ,etc

2) Expose it to any sorts of light for 1-30 mins, before put it into dark.

3) Longer exposed time longer luminous time, more intensive light much brighter