The glow stones are environmentally friendly way to light up or decorate! It is great use for decorating yard, garden, fish tank, walkway, potting, aquarium & fish tank and more. Features: Lighting a pathway, driveway, flower bed, fish tank aquarium, or garden, make the places special. Glow in the dark after full sun exposure, can lasts approximately 5 to 8 hours. The stones are all unique and they can be used in different ways according to your imagination. The glow stones are made of resin, non-toxic, non-radioactive material. It can last up to 15 years, not only save energy but also protect our environment. Several colors for your option, you can send it as a gift to your families, friends. Specifications: Material: resin
