Per Zip -

For a "deep piece" specifically categorized as or with significant depth measurements, here are the top options: YKK 17cm Deep Blue Standard Zips

. They feature durable plastic teeth and a metal pull, making them a reliable choice for standard garment or accessory projects. You can find them at The New Craft House. Per zip

per zip to provide a premium, substantial feel for exterior bag pockets or main closures. For a "deep piece" specifically categorized as or