After receiving the package, place all the gravel in the sun for about half an hour to fully charge them. The first time you use them, you can look in the dark and they will glow. They will glow continuously for about 4 hours in a completely dark space. They can be recharged and glow repeatedly.

If you want it to always glow indoors or outdoors in the dark, install an LED UV black light above it.

Can be used for indoor and outdoor floors, terrazzo casting, swimming pools, bars, vases, fish and aquariums, as well as for decorating garden pots, marking paths and walkways or as a border for plant beds or ponds.

It's almost the same size. 50g in total.

Non-toxic, non-radioactive and completely harmless to aquatic life.

Note:

1. Due to manual measurement, please allow a small error. Make sure you don't mind before bidding.

2. Please note that the color may vary depending on the screen.

Note:

Hello, please pay attention to your delivery address when purchasing products. If your reception information (e.g. name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly.