Product descriptions from the supplier
A4 Easy Copier paper 70 GSM A4 500 Sheets 
These premium multipurpose office paper are great for day to day application. Equipped with HP Colorlok technology for a bolder black, sharper text, vibrant image and brilliant color. It is manufactured with latest twin wire technology and the wood is from plantation and elemental chlorine free (ECF) pulp.
Multiple Uses
These papers are usually preferred by most offices and corporate for commercial usage. They're ideal for quality printing, photocopying, assignments, job works, etc. They're also suitable for home requirements, shops, office printers with any speed and configurations.
Compatible with all types of photocopying systems, Suitable for both side printing,Trouble free Performance in any type of printing machine, Superior photo imaging