Ball packing copy all black copy paper, security to protect your confidential security!

Gram weight: 80 g - 90 - g size: 297 mm x 210 mm A4 paper. Single use;
Features: copy all black, unable to identify the information on the original file.
Usage: can use a ball-point pen, solvent ink pen, mark pen, normal friction cannot be erased
Pen, whiteboard pen can write but can be erased;
Can be used to print;
Printing: laser printing can;
Thermal transfer printing can;
Can't pin type printing;
Ink-jet printing can't;
Can't the mimeograph machine.

Effectively applied to the protection of the laser printer to print text!

Is to prevent caused by free to use the copier, compromised, drain