12 x 18 Paper Size, Dimensions and Format from the Common US Press Sheet Series which can be found in mm, cm, m, inches, picas, pixels and points.
Us/canada & ISO Paper Size Cheat Sheet, Common Paper Sizes
PAPER SIZES
Paper Sizes, Complete Paper Size Chart
Letter (paper size) - Wikipedia
Paper size - Wikipedia
Digital Board White ITC Digi Art Paper, For Printing, Size
ISO Paper Size Reference Poster, Common Paper Envelope Sizes
Leading KPS121850 12 in x 18 in Kraft Paper
Picture Frame Sizes: Standard Frame Sizes for Photos & Artwork
Coated Digital Printing Paper, 1000, Size/Dimension: 12x18 13x19
Printer Paper Size Guide A0, A1, A2, A3, A4, A5, A6
Measures 12 x 18 inches and made from medium weight 65lb cover stock (176 gsm) perfect paper choice for impactful presentations. This cardstock is ideal for scoring and folding or cutting down to custom sizes for brochures, menus, photo mats and etc. Premium quality of paper that makes an ideal addition to any office setting.
Blank White Large Cardstock 12 x 18 Inches | Medium Weight Thick Paper 65lb Cover Card Stock (176 Gsm) | 50 Sheets per Pack, Size: 12” x 18”