1、Easy to use, just put the pebbles on the edge of the walkway or flower beds, or use it for decorative vases, aquarium landscaping, gardening, swimming pool, bar, villa gardening potting, parks and so on. 2、After sunshine during the day, the night walkway to launch up to three hours of blue or green light. Make your garden more beautiful. 3、It can be used repeatedly, their life expectancy lasts up to 15 years. 4、Non-toxic and tasteless, non-radioactive, environmentally friendly resin, non-mineral. 5、The Principle of Light : After sunshine during the day, the night walkway to launch up to three hours of blue or green light. Make your garden more beautiful. 6、Brightly Glowing Luminous Glow In The Dark Stones: Easy to use, just put the pebbles on the edge of the walkway or flower beds, or use it for decorative vases, aquarium landscaping, gardening, swimming pool, bar, villa gardening potting, parks and so on. 7、Non-Toxic: The resin for these glowing stones are non toxic, harmless and safe to touch.Tasteless, non-radioactive, environmentally friendly resin, non-mineral. 8、Easy to Use and Eco Friendly: Harness the power of the sun, spread them out across your garden. Batteries NOT necessary, Eco-power lights them up. 9、Great Value: It can be used repeatedly, their life expectancy lasts up to 15 years. This magic ghost pebbles will make your home different. After sunshine during the day, the night walkway to launch up to three hours of blue or green light. Make your garden more beautiful. Features: Easy to use, just put the pebbles on the edge of the walkway or flower beds, or use it for decorative vases, aquarium landscaping, gardening, swimming pool, bar, villa gardening potting, parks and so on. After sunshine during the day, the night walkway to launch up to three hours of blue or green light. Make your garden more beautiful. It can be used repeatedly, their life expectancy lasts up to 15 years. Non-toxic and tasteless, non-radioactive, environmentally friendly resin, non-mineral. Specifications: Color: multicolor, white, light blue, green, yellow, pink (optional) Quantity: 500pcs Package size: 115 * 110 * 200mm / 4.5 * 4.3 * 7.9in Package weight: 1050g / 2.3lb Package list: 500 * Stones 500 * Stones