Clear Polypropylene zip lock flat bag is a smart design to make product water/oil proof. This PP zipper lock bag is well know for the good sealing property with wide application. PP zip lock reclosable bag is indeed convenient and practical packaging bag in our daily life. Features and Benefits. 1. Crystal clear 2. Good sealing. 3. Good tear resistance and load-bearing performance. 4. Food safe. 5. Reusable and recyclable.