Reflective Vinyl Signs 1.High reflective Intensity 2.water proof.cold-resistant 3.white,red,yellow,green 3.customed Reflective Vinyl SignsThese reflective sidewalk closed signs are made from two types of retro-reflective materials such as micro-prism and glass bead. When your safety messages are printed on these materials, they will glow very efficiently during day and night. Reflective sidewalk ...