5x7 Inch Pure Cotton Watercolor Cards, 100 Sets Postcards with Envelopes 92lb/250 GSM for Art Painting Creative Thank Notes, Purple

Color Material: Cotton Paper Durable material that can withstand wet media Acid-free for longevity and prevents yellowing Excellent absorption properties for vibrant colorsYou may also like Uxcell 80 Sets Watercolor Cards Postcards with Envelopes 5x7 Inch Foldable Size.