Glow-in-the-dark pebbles mark a path or highlight a flower bed! 100 piece set Line a walkway, edge a flower bed or fill a planter with these unique acrylic pebbles. After being exposed to daylight, these pebbles glow in the dark! Glow lasts approximately two to three hours after full sun exposure. These are a flat marble size and are made of a poly resin material.
Glow in the dark .
Material: poly resin.
Glow lasts approximately 2-3 hours after full sun exposure.