an electrostatic shielding material sheet for making a shipping box to enclose and protect electronic components and / or assemblies -- and the box itself -- is characterized by different layers forming an electrostatic shielding material sheet , one layer thereof being highly conductive with a surface resistivity of less than 1 × 10 4 ohm / sq -- preferably 10 2 to 10 3 ohm / sq -- and being allocated to electrostatic dissipative layers with a surface resistivity of between 1 × 10 5 ohm / sq and 1 × 10 12 ohm / sq . the highly conductive layer is sandwiched between electrostatic dissipative layers or embedded in one of the other layers . additionally , the electrostatic shielding layer shall contain highly conductive fibers .