WPI-g-00022160–120 g/m²Virgin kraft55% confidence

A4 Notebooks.

Name: A4 Notebooks
SKU: WPI-g-000221

Stationery paper grade. Permanent ID WPI-g-000221 — verified, source-traced, free.

GSM 45

45g/m²

lighter

GSM 60 · this

60g/m²

WPI-g-000221 · standard

GSM 90

90g/m²

heavier

Canonical specification

Basis weight

60–120g/m²

Fiber source

Virgin kraft

stationery

Paper type

stationery

Confidence

55%

source: wpi

WPI ID

WPI-g-000221

Slug

a4-notebooks

Last updated

2026-04-18

GSM range

60–120g/m²

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