Re: Where can I find this to protect my rare Steelbooks?
yes - they come in a variety of thickness, the losest I have seen is 20 microns, better ones are 25 microns. Some go to 35 microns.
Also the seam on the side come in varying strengths, some spilt very easily and are weak. Others are very strong and take alot to pull apart.
Another difference is some have vent holes and there is also the placement of the seal strip.
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