Poly Bags is the leading wholesale supplier of Zippered Top Poly Bags. Also known as Zip Lock Plastic Bags, these bags are used for home and industrial packaging. We carry a wide variety of Zip Lock Plastic Bags at affordable prices. Main Categories under Zip Lock Plastic Bags are: MiniGrip Brand Zip Lock Bags Zipper Top Bags also known as Top Zip Lock Bags Zipper Top Bags With White Write-on Block Zipper Top Slider BagsZip Lock Bags have been chosen for their ability to rival any reclosable zip lock bags and offer savings. Our brand Zip Top Bags offer a surprising combination of clarity and quality without sacrificing the features you demand. Made of 100% Low Density Polyethylene (LDPE) resin that meets FDA/USDA specifications. Available in popular White Write-on Block and "Parts" styles.