·Value Pack of Watercolor Cards and Envelopes: This watercolor cards set includes 50 pieces high quality watercolor paper cards (4''×6", 140 lb) and 50 pieces white envelopes (4.3''×6.3"). The value watercolor cards and envelopes makes each sheet more affordable

·Cotton: The watercolor paper is made from cotton, offering excellent absorbency, allowing watercolor paints to spread and blend naturally on its surface. The paper is also cold-pressed, giving it a medium texture, making it ideal for all types and styles of art projects

·Thick and Durable: Professional-grade blank watercolor paper is thicker and heavier (140 lb/300 gsm), resistant to warping and ink penetration. Its perfect material ensures paints can be evenly absorbed and distributed into the paper fibers, guaranteeing excellent artistic quality

·Acid-Free Paper: Great artworks should not deteriorate or fade over time. Acid-free watercolor paper cards 4 x 6 to paint ensures that your work's colors remain vibrant and shining, never fading, and keeps the artwork sturdy and long-lasting

·Perfect for All Occasions DIY Cards: This watercolor cards and envelopes is the perfect gift for all ages, professionals, and beginners. Whether it's Christmas, birthday parties, weddings, or Easter, you can use our blank watercolor cards and envelope to express your blessings and care to your family or friends