The glow pebble is made of luminous plastic,it stores light and glow in dark for 8 more hours Glow plastic products,including glow pebbles,glow stair mats,glow gifts and glow toys,are our new developped products since the year of 2010. Our glow plastic products are eco-friendly,requiring no electrical power supply,as well as being completely non-toxic,non-radioactive and non-polluting. During the ...