[Good Seal]The reliable sealing zipper ensures our mylar bags can be resistant to smell or dust, keep the items inside and clean; you can either manual seal zipper part, or you can heat seal the open top section above the zipper.[Convenient to ]Just need to open the food bag to seal food inside, which is easy to for packing and storing; And the transparent window design provides you with quick glance at contents inside;The stand up design make you store the items more orderly.[Material and Sizes]These resealable bags are made of polyethylene material, non-toxic and reliable material, you can put items in safely; We you with size selections, can meet different demands,please check the size carefully before placing an order.[Wide Applications]The mylar bags are good , school and office. It is very suitable for packing coffee beans, sugar, cookie, nuts, dried fruit, snacks, popcorn, pet treats,etc. Also, suitable for cable, car charger, mobile .[Package Includes]You will get 100 pieces resealable mylar bags in one package, for satisfying your usage and replacement, or you can share with others.Colour:blackMaterial:Polyester filmSize:10 x 15cmPackage Contents:100 * Smell Proof Mylar BagsOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.