HIGH QUALITY - These resealable bags are made of polyethylene material, non-toxic and reliable material. You can use them with confidence. RESEALABLE ZIPLOCK & HEAT SEALABLE- The bags feature a sealing strip ziplock that keeps all water and moisture out and any odors in when sealed! LONG TERM FOOD STORAGE - The bags keeps the content inside to stay fresher and longer compare to other bags. MULTIPURPOSE USE - Very Suitable for packing coffee beans, candy, rice, cookie, nuts, dried fruit, snacks, popcorn, beef jerky, or any other food you want to store. CLEAR WINDOW & Hanging Hole - The bags has a clear window so you know exactly what is store inside, hanging hole let you hang the bag on wall to save space. It can also be place stand up. Green Nexus 100 Pack Smell Proof Odorless Bags- 5x7 Inch Resealable Mylar Bags with Clear Window Foil Pouch Bag Flat Ziplock and Hanging Hole Bag Matte Black