pabck 100 pack clear silver reclosable airtight mylar bags 8.5x14cm (3.3x5.5inch) for zip heat seal aluminum foil packaging lock plastic bag valve zipper lock bulk food storage candy foil pouch pabck features<br>1. thickness: 6.26 mil( two sides) durable material<br> 2. material: clear is plastic, back is mylar aluminum foil <br> 3. design: resealable, with tear notches <br><br> usage<br> 1. re-sealable, the bag is easy closed and opened, and can be heat sealed with a heat sealer<br> 2. perfect for coffee; candy; sugar; baking; cookie; snack; leisure food; decorations; accessory and so on<br><br>please note that: <br> for extended storage time, you can heat seal above the zipper part. the tear notches enable access even after heat sealing