"DANGER DO NOT ENTER" Black/Red Heavy Duty Reinforced Barricade Tape measuring 3" X 500' is made of long-lasting polypropylene and features versatile bold black letters. It prevents accidents by increasing high visibility of hazards with non-adhesive plastic tape and can be tied, stapled or nailed in place. Features For those times you need a tape tough enough to go that extra mile, this heavy duty, highly visible, long-lasting, versatile, non-adhesive plastic tape has the stamina you need. Our reinforced barricade tape consists of high visibility safety red and/or yellow polypropylene with bold black letters. Tape helps prevent accidents by increasing visibility of hazards and can be tied, stapled or nailed in place.