Color name: Copper Description of color: orange copper shade (color description offered by the team at PaperPapers. If you need more help, please contact us.) Content Fiber: Virgin Fiber GSM/Basis weight: 284 GSM (105lb Cover) Caliper (Avg): 14.0 Copper Paper 100-PK - We've got tons of paper and envelopes, literally! Shop brands by PaperPapers and 2pBasics -- PaperPapers Color name: CopperSize: 12x18 Inches / 305X457 Millimeters - Large sizeFinish: Shimmer Metallic paper with color on both sidesPaper basis weight: 284 GSM (105lb Cover) - THIS IS QUALITY CARDSTOCK (Cover Weight Paper)Metallics stocked a PaperPapers have color both sides (C2S) and represent a full array of popular tones. This metallic and pearlescent colorful paper has been expressly created to give a shimmer affect to any project calling for attention. Metallic / Pearlescent - acid free (archival) - ECF - Elemental Chlorine Free - laser compatible (limited by individual printer substance range, and thickness limits) - not intended for inkjet printing -- DARK SHADES will not show print.