40 Sheets Watercolor Swatch Cards Color Swatch Binder Inner Color Chart Template Cards Spiral-Bound 3.5 X 7 Inch Fits A6 Circular Aperture Color Matching for Gouache Oil Pastels

40 Sheets Watercolor Swatch Cards Color Swatch Binder Inner Color Chart Template Cards Spiral-Bound 3.5 X 7 Inch Fits A6 Circular Aperture Color Matching for Gouache Oil Pastels Size: A6 Color: Brown Material: Paper

• 【40 Blank Watercolor Swatch Cards — Refill for Your Binder】40 blank-format watercolor swatch cards (7" x 3.5" each) with boxes and center-cut holes for precise color matching. Fits any standard 6-ring A6 color swatch binder.
• 【Premium 300gsm Watercolor Paper】Thick 300gsm double-sided paper (single-side printing) handles watercolor, gouache, acrylic inks, and colored pencils—no bleeding or buckling.
• 【6-Hole Punched for Easy Rearrangement】Pre-punched with 6 holes, compatible with A6 6-ring binders. Easily reorder pages by brand, palette, or project in your color diary.
• 【Box-with-Center-Hole Layout for Quick Matching】Place paint samples directly over the center-cut holes for instant color matching. Build a clean, consistent color chart card library.
• 【Versatile Refill for All Artists】Perfect for beginners or pros. Use in studio, classroom, or plein-air. Expand your painters color diary swatch card collection anytime.