FAMOUSLUMINOUS glow stone & gravel was made from photoluminescent pigment and innorganic material. It 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.Our luminous/glow stone & gravel has 15-20 years
service time. Since the special feature which it can glow in night, that it widely used in many places as decoration or safety indication sign,such as home wall, floor, park,path & road,gallery and others places.And we can ship the goods within 7 days once the order is confirmed.