300 3"x 3" - Strong 2 mil thick poly clear plastic re-closeable zip-lock bags. These are the perfect size for sorting, organizing, and storing, your beads, jewelry findings, charms, coins, ETC. Great for packaging, selling, and shipping smaller items.
When comparing products you must compare the thickness of the bags. Our poly mailers are 2.5 Mil thick. The thicker the bag the more puncture and tear resistant it will be.
When comparing products you must compare the thickness of the bags. Our poly mailers are 2.5 Mil thick. The thicker the bag the more puncture and tear resistant it will be.
KTA Coating Thickness Standard. Traceable plastic coated steel test blocks used to verify the accuracy of magnetic dry film thickness gages. Comes with a zero plate and four test blocks (3,6,10,20 mil) in vinyl binder.
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