Our Warning! Striking Hazard Decal warn others to not stand too close to the container due to doors opening and loading/unloading that can occur. They are made out of durable, high quality materials that will stand up to harsh weather conditions with an outdoor durability rating at 5 years. Whether you need to replace a faded or ripped decal or you just finished repainting or refurbishing your roll-off container. Decals come in packs of (3).