Package includes: 200pcs non-toxic glowing resin blue luminous pebbles per bag, It glows for up to 2-3 hours after exposure to daylight, at night turns into blue pebbles.Material Safety: These luminous stones Made from the high quality resin, are made of durable premium resin, non-toxic, tasteless and non-radioactive, besides the light storage conditions are low, long brightness time.Widely Used: Indoor and outdoor pebble decoration, perfect for decorating the garden, Also suitable for walkways, flower beds, decorative vases, aquariums, aquarium layouts, waterscapes, swimming pool layouts, parks;Villa gardening repotting, bar fittings etc.Reusable: No electricity needed, The pebbles will absorb sunlight during the day and glow in the dark at night, make sure each of them absorbs enough sunlight - The longer the pebble absorbs light, the longer the pebble isbrighter, the more radiant it will be.Non lasciare che i bambini lancino queste pietre fluorescenti ad other persone o le lancino da dove si trovano.