Resealable Zipper Closure: 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 Convenient to use: just open and seal, very easy to use 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 Material and size: these resealable bags are made of polyethylene raw material, non-toxic and reliable material, you can put items in them safely 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 Package includes: you will get 200 pieces resealable food storage bags in one package, large quantity for satisfying your usage and replacement, or you can share with others Specifications: Quantity: 200 pieces Size: 6 * 10cm Colour: Black Material: Polyethylene Package Contents: 200 * Resealable Zipper Closure food storage bags Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.