The PESS-A-ES Pre-Printed Conductor Earth (Ground) Symbol Label is constructed from a laminated material that protects the legend from abrasion and chemicals, resists UV light, chemical atmosphere, and abrasion; excellent life and adhesion properties. Polyester. 6.75" x 1.5" (171.45 mm x 38.1 mm). 0.49" (12.44 mm) diameter. Color White. Legend: Black. 20 labels per card. 10 cards per package.