🚦 Stop in Style: Safety Meets Durability! At 18" x 18", it's the ideal fit for parking lots and private driveways, making your space unmistakably clear. Washable and fully recyclable, this sign is not just tough but also kind to the planet. Enjoy peace of mind with a 10-year warranty, proving our commitment to quality and durability. Experience unparalleled visibility with 3M's High Intensity Prismatic Reflective Sheeting, ensuring safety day and night. Crafted from 0.063" gauge aluminum, this sign is built to withstand the elements and resist bending. 10-year warranty 18" x 18" size 0.063" gauge aluminum The Municipal Supply and Sign Co 18 x 18 Stop Sign is a robust, high-visibility street sign made from heavy-duty 0.063" gauge aluminum, featuring 3M's High Intensity Prismatic Reflective Sheeting for optimal day and night visibility. Backed by a 10-year warranty, this eco-friendly sign is designed to last 7-10 years in harsh UV conditions, making it a reliable choice for private driveways and parking lots.