Finned ziploc bags are the simplest bags with a back and bottom seal. It can be made into a unilateral fin seal or lap seal, also known as the center seal bag or T-seal bag, pillow bag, flat bag. Finned Ziploc bags are commonly used to pack potato chips and fried snacks, but they are also used to pack hard candies, soft candies, instant noodles and frozen dumplings. Common on supermarket shelves are packaged Lay’s or potato chips and colorful fudge and candy pellets.ALL BAGS MATERIAL,SIZE,THICKNESS AND DESIGN CAN BE CUSTOMIZED.