Premium Cotton Paper: Crafted from 300gsm cotton paper, our Watercolor Cards feature a smooth surface, are fluent to paint and draw, specially designed to resist pilling even after erasing multiple times, ensuring excellent ink absorption and natural rendering of artwork.Packaging Contents: Each pack includes 50 sheets of watercolor paper in 4x6 Inch and 50Pcs envelopes. With this quantity, you will have enough supplies to finish your painting projects, create beautiful greeting cards or postcards and various DIY crafts.Versatile Compatibility: These cards are suitable for a wide range of drawing tools including pencils, ink, crayons, and watercolor paints. This versatility allows artists to explore different artistic techniques and create excellent work.