Anobell Reflective Aluminum Yield Signs: Remind drivers to slow, yield the right-of-way to any vehicle or pedestrian in or approaching the intersection, and go only when clear. Commercial-grade Reflective Aluminum, Durable to Use Clearly Visible, Highly Reflective, 30" x 30" Large Size, 24/7 Bright and Clear Warning 2 Pre-drilled Holes for Easy Installation Rounded Corners, No Rough Edges, Safe to Mount Wide Application: These yield signs are perfect for parking lots, ranch lanes, campus roads, construction zones or any intersection where right-of-way must be crystal clear. High Reflectivity Day & Night, Helps Cut Crash Risk High-Contrast Red & White, Right-of-Way Made Clear