Photoluminescent tumbled gravel has high density and can resist high temperature

Photoluminescent Tumbled Gravel has high density and can resist high temperature. It looks like same as nature stone in hardness and appearance. We can provide you size range from 1-40mm, or customized by your requirements.Since the special feature which it can glow in night, that glowing stone widely used in many places as decoration or safety indication sign,such as home wall, floor, park,path & road,gallery and others places.