Glow in The Dark Rocks, Luminous Glowing Pebbles Stones Rocks for Indoor Outdoor Decorations Garden Lawn Yard Potted Plant Flower Bed Fish Tank Aquarium Walkway PathwaySpecification:Material: rare earth long afterglow luminous powder + polystyrene resinType: LuminousNote:Please confirm the fit item if it matches your models before you purchase. Features: 1.It is produced with new high-end brand raw materials, safe and environmentally friendly.2.Used for decorating vases and fish tanks; gardening decoration, swimming pool decoration, bar decoration; villa gardening and landscaping, etc.3.After being stimulated by sunlight, light and other visible rays, the product absorbs and stores energy, and can naturally glow for a long time in the dark.How to make them glow?1.Don't leave the pebbles under light with the package.2.Don't pile up pebbles , make sure each pebble is fully illuminated.3.When the pebbles are glowing , please make sure the surroundings are dark enough.4.You can enjoy the glowing pebbles,the longer the absorption time , the longer the illumination time.5.It is produced with new high-end brand raw materials, safe and environmentally friendly.6.Used for decorating vases and fish tanks; gardening decoration, swimming pool decoration, bar decoration; villa gardening and landscaping, etc.