1. Resealable zipper: you can either manual seal zipper part, or you can heat seal the open top section above the zipper, so that achieve storage effect, and these food storage bags can be applied many times 2. Convenient to use: just open and seal, very easy to use small candy bags for packing and storing, transparent window design allowing for a quick glance at contents inside, please make sure to close the zipper seal tight to prevent leakage and ensure freshness 3. Material and size: these resealable bags for small business are made of polyethylene material, non-toxic and reliable material, you can put items in them ly; We provide you with several size selections, can meet different demands, please refer to the pictures for detailed information, please check the size carefully before placing an order 4. Wide applications: very suitable for packing coffee beans, bath salt, candy, pill, sugar, rice, cookie, tea, nuts, dried fruit, snacks, popcorn, beef jerky, or other food you want to store