Colorful Luminous Sand Fish Tank Garden Micro Color Luminous Fluorescent Small Gravel Features: Environmental protection material: It is made of non-radioactive resin, which is good for human body and living environment. Luminous Effect: These crushed stones last about 5 to 8 hours after being exposed to sunlight or light. Unique stones for different decorating styles: These stones can be used to create beautiful and paths, aquariums or gardens. A variety of colors for you to choose: you can give it as a gift to your family, friends and colleagues. Beautiful and durable, can be used for a long time. SMALL AND PORTABLE: You can bring these glow-in-the-dark stones to your campsite for a great night out. Product Description: Description： Material: Polystyrene resin Dimensions are as shown. Color: Multicolor Package includes： 1000 x Colorful Luminous Sands Notice : Due to the difference between different monitors or color reflecton in the monitor lighting,background etc, the picture may not reflect the actual color of the item. Please allow 1-5mm error due to manual measurement. Hangs glow rocks for landscaping pebbles,glow rocks for landscaping,pebbles for outdoor landscaping,piedras para jardines exteriores,glow in the DARK ROCK painting kit,garden stuff,gravel for landscaping,blue rocks,solar rocks,outdoor rocks,decorative stepping stones outdoor,patio pond,paving stones,glowing rocks for garden outdoor,white pebbles for outdoor landscaping,decorative stones,glow in the DARK pebbles,glowing rocks,walkway stones,ROCK glue for landscaping,pond rocks,glow in the DARK rocks for garden,fish tank decor,garden stones outdoor,Fake rocks,glow in the DARK rocks outdoor,rocks for outdoor landscaping,PATHWAY stones,Landscape ROCK,glow stones for outdoors Colorful Luminous Sand Fish Tank Garden Micro Color Luminous Fluorescent Small Gravel Committed to creating a comfortable and warm home environment for families so that every family member feels happy and satisfied.