As a professional manufacturer of Photoluminescent Stone and other series of products, we not only have advanced technology and equipment, but also have a forward-looking outlook on the market, so you will not be disappointed if you choose to buy our Photoluminescent Stone.Our Photoluminescent Stone is made of a mixture of resin and fluorescent metal oxide, which is very durable. After 10-30 minutes of absorbing visible light, the Photoluminescent Stone can glow in the dark for more than 12 hours.