Per Stone Size:about 1inch x 0.5 inch Color:blue Attention:Please expose the stone to daylight at least 4 hours Before first use 150 Pcs Glow In The Dark Pebbles （About ± 10PCS error） Line a walkway, edge a flower bed or fill a planter with these unique Stone pebbles Glow lasts approximately two to three hours after full sun exposure and high quality After being to daylight 5 minutes, these pebbles glow in the dark Pebbles are about the size of cooked beans Well Covers Decorative Rocks Small Pebbles for Glow Pebbles Stones Gravel for Gardening Cool Outdoor Per Stone Size:about 1inch X 0.5 Inch Garden Step Stones Outdoor Stones for Vases in The Dark Stones for Vase Pond And Stone Garden Walkway Stones After Being To Daylight 5 Minutes, These Pebbles Glow In The Dark B07h3lfmqx Decorative Planter Outdoor Large Garden Stones Landscaping Edging Concrete Bowl Molds And Forms Glow in The Dark Terrarium 150 Pcs Glow In The Dark Pebbles （About ± 10PCS Error） And Decorative Rocks Gravel Backyard Solar for Decorative for Concrete Planter Molds And Forms And High Quality Cement Garden Molds Garden Pebbles Glow Stone Wishing Wells for Outdoors Barrel Planter Amber Calcite Phosphorescent Color:blue Glow in The Dark Mushrooms Wishing Well for Garden Decorative Rocks for Garden Turtle Stone Pebbles Neon Rocks Outdoor