Durable Nylon Material: Made from BPA-free nylon material for durability and safety. Leak Resistant Design: Features leak-proof construction to keep contents dry. Zipper Closure: Secure zipper closure keeps food fresh and organized. Portable Size: Compact 163 cubic inch size is perfect for picnics, lunchboxes, and on-the-go. Multipurpose Use: Great for carrying lunch, snacks, drinks, and more.