Basic Marshmallow Zipper These 14in zippers can be easily trimmed to just the right size for your Atkinsons Design's Zipper project. With 36 great zipper colors, you're sure to find just the right one! They are flexible, strong, and durable with split resistant coils and low shrinkage. Metal pull tab. Great for purses, skirts, dresses, pants, most sportswear, crafts, and home decor.