50 – 65lb Cover|Card Paper – 8.5″ X 11″ Standard Letter|Flyer Size The ThunderBolt Paper Cardstock in Golden Yellow is a high-quality art paper specifically designed for drawing and lettering projects. With its vibrant color and sturdy cardstock texture, this product is ideal for creating eye-catching designs and intricate lettering. The ThunderBolt Paper brand ensures a reliable and consistent product that artists and crafters can depend on for their projects. Ideal for both beginners and experienced artists, this Golden Yellow cardstock is a versatile option for a variety of creative endeavors.