: Standard 9" x 12" packs from Crayola or fade-resistant Tru-Ray (which uses a vat-dying process for richer color) are staples for educational use. Essential Supplies for Physical Papermaking
: You can find 100-sheet packs of 300 GSM Cold Press Watercolor Paper featuring rustic deckled edges, popular for wedding invitations and professional sketches. buying sheets on amazon
: For pulp-mix or collage, Roylco provides patterned craft papers that can be incorporated into handmade designs. Professional & Drafting Papers For more technical or bulk needs: Design Paper - Amazon.com : Standard 9" x 12" packs from Crayola