"This NuVue Driveway Marker Contractor Pack marks the edges of long driveways or objects hidden by the snow. Ideal for commercial snowplowers. Material Type Fiberglass, Reflector Type Tape, Color Orange, Reflectors Included qty. 30. Highly reflective tape for improved visibility in low-light conditions Fiberglass construction for extra durability 46in.H Includes 30 markers"