Jewelry Displays & Boxes 4x4 Plastic Zip Top Bags (Package of 100) Package of 100 2 Mils Thick Top Quality Clear Plastic Zip Top Bags Size: 4"x 4" Tip: Always keep your Sterling Silver Jewelry and Findings in plastic zip-lock bags to protect them from tarnishing. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!