Add a fun, whimsical touch to any outdoor area with the Glow in the Dark Stones by Pure Garden! The pebbles come in a pack of 500 and are powered by light absorbed from almost any source, including natural sunlight, as well as Fluorescent, UV or LED lamps. They make an excellent addition to a flower bed, fountain, pond, or fairy garden, and look great placed along a walkway, driveway, or patio. The stones are pink and then glow a bright yellow when they are fully charged, creating a magical effect in any area! SATISFACTION GUARANTEED- Pure Garden is committed to providing the consumer with the absolute best price and value on our entire line of products, which we ensure by applying a rigorous quality control process. NOTE: This is an exclusive product of Pure Garden and ONLY Glow in the Dark Stones by Pure Garden are GUARANTEED to be genuine.IMPORTANT: Avoid buying counterfeit products and transacting with unauthorized sellers. Look for our logo on the packaging for every one of our products. 500 PACK- The garden stones come in a pack of 500, so you will have plenty of pebbles to add to any area. The rocks are pink, and then turn a vibrant yellow once they are fully charged-the longer they absorb light, the brighter they will glow!VIBRANT ACCENT DÉCOR- These glow in the dark pebbles are sure to add a fun, colorful touch to any indoor or outdoor area! They are a great decorative addition to a fish tank, flower bed, fairy garden, pathway, pond, or driveway.LIGHT ABSORBING- These durable and weather resistant stones absorb sunlight throughout the day and glow at night. While sunlight is the best lighting to charge your stones, UV, LED, or fluorescent lighting will work as well.ECO-FRIENDLY MATERIAL- Constructed from Resin and photoluminescent pigment, these glow pebbles are nontoxic and pose no harm to humans, animals, or plants, making them safe for use in and around the home.PRODUCT DETAILS- Materials: Resin and photoluminescent pigment. Dimensions: size varies by stone but approximate sizing is-(L).50"-.80" x (W).20" x (H).80"-1.20". Color: Yellow.