https://www.3sheetsjasper.com/product/strathmore-mixed-media-blank-cards-with-envelopes-5-x-6-7-8-/3879
Strathmore Mixed Media Blank Cards with Envelopes 5" x 6-7/8" | www.3sheetsjasper.com
These blank cards are made of 400 Series Mixed Media heavy-weight 140lb. (300/gsm) paper. The acid-free paper features the attributes of a watercolor paper but...