Metallic Copper 8-1/2-x-11 Cardstock Paper 25-pk - PaperPapers 284 GSM (105lb Cover) Letter size Metallic Card Stock Paper - Business, Card Making, Designers, Professional and DIY Projects Color name: Copper Size: 8.5-x-11-inches / Letter Size Finish: Shimmer Metallic paper with color on both sides Paper basis weight: 284 GSM (105lb Cover) - THIS IS CARDSTOCK Caliper (Avg): 14.0