Engineering grade reflective sheet includes: 1. 7 years durability: (acrylic type) A. Features: Long service life, good extensibility, can be ink- printed, excellent for computer cutting. B. Application: Road traffic signs, can be used in bad weather. C. Type of adhesive: Pressure sensitive D. Specification: 1m x 50m or 1.24m x 45.7m E: Service life: 7 years 2. 5 years (PET type) A. Features: Easy operation B. Application: Road traffic signs, industrial safety signs C. Type of adhesive: Pressure sensitive D. Specification: 1m x 50m or 1.24m x 45.7m E: Service life: 5 years