Grams per Square Meter (GSM): GSM is the measurement of paper thickness. Common A4 paper weights include:
- 70 GSM: Lightweight and cost-effective, typically used for large-volume printing.
- 75 GSM: Slightly thicker, often used in offices for everyday printing.
- 80 GSM: Standard office paper weight, suitable for printing and copying; offers a good balance between quality and cost.
- 90 GSM and above: Heavier and premium-quality paper often used for professional documents, presentations, and reports.