NCHRP-350 Approved Sign Perfect for all Types of Work Zone/Construction Projects Thick Fiber Glass Batons Provide Maximum Stability Vinyl Material Offers more Durability than Mesh at a Similar Price Point Easy to Set Up & Store with Convenient Velcro Strap Proudly 100% Made in America 36" Non Reflective Fluorescent Vinyl Orange Roll-Up Warning Sign, 36" Width x 36" Length, 1/4"x3/16" Baton(Ribs), 4 Lexan Pockets LEGEND - Shoulder Work Ahead.