... products with self-adhesive can be used onto the surface of varied equipment or article, Features: ... like A-,A,B,C and D,and the quality D is our top quality for this ... item, with very long afterglow luminance and powerful glowing light.5) Glowing time: A grade for 4-6 ... supply the finished signboard, and the base can be PVC based,Aluminum, etc. glow green light photo-luminescent film in the darkness ...