Food Grade Quality: This mason jar bag is made of high quality PE composite material, food grade, safe and BPA free, light weight. Transparent design makes it easy to categorize. Premium materials make it washable and reusable. Mason Jar Shape: Designed in the shape of a mason jar, this cute food sealable bag is unique, delicate, compact and has a strong carrying capacity. It can save more space. Thickened sealing strip: With double sealing strip, special air-tight zipper is easy to use and leak-proof, protect food from moisture and dust, keep food fresh. Suitable for food packaging, storage and display. Note: The opening is slightly smaller than the width of the grocery bag. Wide range of application: The jar bag is perfect for storing all kinds of snacks, dry food, condiments such as biscuits, nuts, biscuits, candy, biscuits, popcorn, sandwiches, cereals, flour, sugar, spices, tea, herbs, coffee Beans. Great for travel, picnics and camping. Colorful Bags and Packaging: This Mason Jar Zipper Pocket Set contains 40 pieces and comes in 4 different color sizes (10 Small, 10 Medium, 10 Large, 10 Long). A variety of options to meet your different daily needs, a good helper for food storage and organization. It can be stored in cupboards and refrigerators and is a stylish addition to your kitchen.