Charm packs are collections of pre-cut fabric squares, typically 5 inches by 5 inches, offering a convenient way to sample a range of coordinating fabrics. Jelly rolls, on the other hand, are bundles of pre-cut fabric strips, usually 2.5 inches wide and varying in length, perfect for creating intricate strip quilts, borders, and bindings. Both charm packs and jelly rolls come in a multitude of colors, patterns, and themes, providing a cohesive and visually appealing selection for your creative endeavors. Made from high-quality materials, these pre-cut fabric packs save time and effort, allowing you to focus on the design and assembly of your quilt or craft project.