3pcs Clear Plastic Waterproof Double Bag Reusable Mason Jar Bottle BagSafe Material: Made from PE (Polyethylene),BPA free,no toxic,safe to use Sealing Design: Completely isolated from internal and external gas flow, good sealing, which can keep foods fresh Multipurpose Use? Mason bottle shape, size selection, can be used for biscuits snack preservation and also can be used to store peanut, sunflower seed, and other snacks Size: Small bags(6. 2? x 4. 2?), Large bags(7. 7? x 5. 4?), X Large(6. 8? x9. 65?). They are not