Health and safety sign with “Fire exit keep shut” written in white on a blue background which indicates a required action. · · · Self adhesive sign · · White font on a blue background · · PVC offers several benefits when it comes to signage, as it is lightweight yet incredibly durable; able to resist dents and scratches with ease · · High-quality safety sign crafted from rigid PVC · · Water-resistant and weatherproof. · · Large, clear text.