100PCS Glow in the Dark Garden Pebbles Stone Glowing Stones for Walkway Yard Driveway Aquarium Garden Outdoor and Decor DIY Decorative(Green) - Glow Pebbles Stones Material: photoluminescent pigment + resin,non- toxic environmentally. - Glowing Stones Size:the dimensions of each pebble about 0.8"- 1.2"/ 2-3cm(approx). - EASY TO USE:The pebbles in the absorption of sunlight or light exposure,and they will glows for up to 2-3 hours or more in the dark environment,It can be used repeatedly.Use the method,please see the picture showing. - LOCATION:They are ideal for outdoor decor such as yard,garden,walkway,pathway,driveway,crafts,aquariums,flower bed,planter,waterscapes,landscape decoration etc,looks more beautiful. - 100% SATISFACTION GUARANTEE:Our products are all from factory direct supply, we can guarantee 100% inspection before shipping,if any problems of our products really exist,please contact us firstly.