130 lb Cover (350 gsm), Extra Heavy White Cardstock - 12 x 12, 20 Sheets

Thickness: 130 lb. Cover (350 GSM) Dimension: 12 x 12 inches (305 x 305 mm) Extra heavy thick cardstock Pack of 20 sheets

Cardstock Thickness Guide for Paper Crafters – The 12x12 Cardstock Shop

Quick Guide to Cardstock Sizes and Paper Weights

Extra Thick Cardstock, White

50 Sheets Extra Heavy Weight Black Cardstock Paper, 130 lb/ 350GSM A4 Cover Card Stock, Thick Black Construction Paper for Scrapbooking, DIY Cards Making, Arts and Crafts : Arts, Crafts & Sewing

Jam Paper Extra Heavyweight 130 Lb. Cardstock Paper 8.5 X 11 Magenta Pink 25 Sheets/pack : Target

Heavyweight 130 lb White Cardstock Thick Paper - 50 Sheets - A4-350gsm - Heavy Cover Cardstock for Business Card, Card Making, Invitations, Arts and Crafts : Arts, Crafts & Sewing

20 Sheets, Heavy White Cardstock - 8.5 x 11, 110 lb (300 gsm) : Arts, Crafts & Sewing

BROWN KRAFT CARDSTOCK PAPER: Create the most beautiful cards with this acid free, made in USA, flat card stock paper - 12 x 12, Heavyweight, 130 lb

Hamilco Brown Kraft Cardstock Scrapbook Paper 12x12 Thick Blank Card Stock Heavy Weight 130 lb Cover - 25 Pack

Jam Paper Extra Heavyweight 110 Lb. Cardstock Paper 11 X 17 White 50 Sheets/pack (16934189) : Target

Heavy Cardstock

Very Thick Cardstock perfect for invitations, post cards, covers, and business cards OR as a sturdy protective backing for your project or photos Made

Extra Heavy Duty 140lb Cover Cardstock - Bright White - 379gsm 18pt Thick Paper for Inkjet & Laser Printers - 8-1/2 x 11 (12 Sheets Pack)

Heavy Cardstock

Thick Cardstock - 110lb Cover - (8.5 X 11)

NOT for Inkjet Printers. Excellent opacity for minimal show-through. Alkaline and acid-free manufacturing for permanence. Smooth Finish — 350 GSM

White Silk Matt Card Stock 130lb. Cover (350gsm) - 50 Pk (Choose your size) (12 x 18)