Zip Top Poly Bags 5x7 (Package of 100) Top Quality Clear Plastic Zip Top Bag Mil Gauge: 2 Bag Size: 5" x 7" These durable Reclosable Plastic Bags are ideal for jewelry and craft storage. We offer a wide selection of reclosable poly bags for a wide array of jewelry packaging applications. Quantity Wholesle Discounts available on these 2-mil 5x7 Zipper Bags. Tip: Always keep your Sterling Silver Jewelry and Findings in plastic zip-top bags to protect them from tarnishing.