Features and Benefits:•Made of durable plastic•Plastic remains pliant in cold weather•Text reads: danger crystalline silica dust in work area authorized personnel only•Made in U.S.AThis 1000 Ft. roll lets you put up an instant warning parameter to mark dangerous construction work-in-progress, obstacles, hazards--just about anything that creates a safety risk. This roll specifically calls out the dangers of crystalline silica dust to ensure hazardous area is marked off and appropriate personal protection equipment is worn by anyone who is within the work area. Empire Level is the leading designer and producer of levels, squares, layout tools and caution tape in the United States with dominant market share in the retail, contractor supply, and do-it-yourself markets.