Book Paper Stocks & Materials

Explore paper weights, coated and uncoated stocks, cover boards, and binding fabrics. Use the caliper charts below to calculate accurate spine bulk for your publication.

Paper Types

Paper selection directly dictates color vibrance, readability, opacity, and page-turning feel. Explore our core substrates:

Gloss Coated Art Paper

Gloss Coated Paper (C2S)

Smooth coated surface with high sheen. Maximizes color saturation and photo sharpness.

Matte Coated Art Paper

Matte Coated Paper

Non-glare silky coating. Excellent color fidelity without harsh reflection under reading lights.

Offset Woodfree Paper

Offset / Woodfree Paper

Natural uncoated fiber. High ink absorption, smooth writeability, and superior eye comfort.

C1S Coated One Side Paperboard

C1S Paper (Coated 1 Side)

Coated front for vibrant cover art; natural uncoated back for writing, cards, and PUR glue adhesion.

Specialty & Textured Paper

Specialty & Textured Paper

Distinctive linen weaves, felt tooth, metallic sheen, and through-dyed colored pulp for luxury editions.

Cream Novel Book Paper

Cream Book Paper (Bulky)

Warm yellowish tint with high bulk volume (1.6–2.0x). Lightweight and ideal for long novels.

FSC Certified Paper

FSC-Certified Paper

Sourced from responsibly managed forestry chains. Supports global publishing compliance.

Recycled Eco Paper

Recycled Eco Paper

Contains post-consumer recovered fibers. Subtle natural texture for eco-conscious brands.

Paper Weight & Thickness

Compare standard metric weights (GSM), US basis weights, single-sheet calipers, and estimated bulk thickness per 100 pages:

Paper Weight US Basis Weight Single Sheet Thickness Spine Bulk (per 100 Pages / 50 Leaves)
70 GSM47 lb Text~85 μm (0.085 mm)~4.25 mm
80 GSM54 lb Text~95 μm (0.095 mm)~4.75 mm
100 GSM67 lb Text~115 μm (0.115 mm)~5.75 mm
120 GSM80 lb Text~140 μm (0.140 mm)~7.00 mm
140 GSM94 lb Text~165 μm (0.165 mm)~8.25 mm
160 GSM108 lb Text~185 μm (0.185 mm)~9.25 mm
Paper Weight US Basis Weight Single Sheet Caliper Spine Bulk (per 100 Pages / 50 Leaves)
80 GSM54 lb Text~65 μm (0.065 mm)~3.25 mm
105 GSM71 lb Text~84 μm (0.084 mm)~4.20 mm
128 GSM86 lb Text~102 μm (0.102 mm)~5.10 mm
157 GSM106 lb Text~133 μm (0.133 mm)~6.65 mm
200 GSM135 lb Text~171 μm (0.171 mm)~8.55 mm
Paper Weight US Basis Weight Single Sheet Caliper Spine Bulk (per 100 Pages / 50 Leaves)
80 GSM54 lb Text~72 μm (0.072 mm)~3.60 mm
105 GSM71 lb Text~93 μm (0.093 mm)~4.65 mm
128 GSM86 lb Text~116 μm (0.116 mm)~5.80 mm
157 GSM106 lb Text~152 μm (0.152 mm)~7.60 mm
200 GSM135 lb Text~198 μm (0.198 mm)~9.90 mm
250 GSM92 lb Cover~265 μm (0.265 mm)~13.25 mm
Board Weight US Basis Weight Single Sheet Caliper Primary Application
210 GSM142 lb Text~272 μm (0.272 mm)Lightweight Paperback Covers / Folders
250 GSM169 lb Cover~340 μm (0.340 mm)Standard Trade Paperback Covers
300 GSM203 lb Cover~415 μm (0.415 mm)Heavy Duty Softcover / Slipcases
350 GSM236 lb Cover~490 μm (0.490 mm)Children's Board Books / Rigid Boxes
400 GSM270 lb Cover~555 μm (0.555 mm)Deluxe Packaging / Flashcard Decks
Spine Calculation Formula: Spine Width = (Number of Inner Pages ÷ 2) × Single Sheet Thickness (mm) + Cover Board Thickness (if Hardcover, add ~3.5mm–4.5mm for wrap & hinge allowance).

Cover Materials & Boards

For casebound hardcovers, custom slipcases, and luxury journal editions, we provide high-density greyboards and an extensive swatch library of natural woven bookcloth and thermo-reactive PU leathers:

  • 1.5 mm Greyboard (900 GSM): Lightweight pocket hardcovers and small format diaries.
  • 2.0 mm Greyboard (1200 GSM): Standard international publishing standard for novels and trade hardcovers.
  • 2.5 mm – 3.0 mm Greyboard (1500–1800 GSM): Heavy coffee table art books, slipcases, and luxury boxed collections.
Interactive Material Tool

Explore 320+ Hardcover Bookcloth & PU Leather Swatches

Looking for hardcover cover wrapping materials? Browse our standalone warehouse swatch gallery featuring 25 distinct woven fabrics and thermo-reactive leathers with one-click color selection and formatted inquiry copying.

Open Swatch Gallery →

Need physical paper or cover swatches?

Order a sample deck with genuine offset, coated, specialty sheets, and hardcover fabric swatches.

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