Our Fire ExtinguisherService Labels are manufactured from the highest quality materials. The Fire ExtinguisherService Labels have an exceptionally strong adhesive which is Marine Approved to the current British Standards. The Fire Extinguisher Service Labels are waterproof, heat & chemical resistant and will not fade in sunlight. The labels will stick tight to all smooth surfaces - flat or curved. For best results please remove any dust or residue form polish or cleaning fluids, etc. before application of the label. Press hard to remove any trapped air beneath the label.