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<p>[QUOTE=&quot;-jeffB, post: 1413456, member: 27832&quot;]Saran Wrap <i>was</i> made from polyvinylidene chloride, and it was exceptionally oxygen-impermeable. That means it was perfect for wrapping things to go into the freezer -- no freezer burn. It might not have been the best choice for coins, though, particularly copper.</p><p><br /></p><p>It&#039;s <i>now</i> made from LDPE. I understand the ecological and marketing reasons behind this change, but it&#039;s still a terrible shame, because the new product is exactly as fit-for-purpose as its cheap competitors -- which is to say, not very fit at all.</p><p><br /></p><p>Saran is unlikely to harm your coins, and it&#039;ll protect them from physical contact, but it&#039;s still a lot of time and trouble to save not very much money. If you&#039;ve got more time than money, perhaps it&#039;s not a bad idea.</p><p><br /></p><p><i>Do</i> clean the bottles first, though, and be especially careful to rinse them thoroughly.[/QUOTE]</p><p><br /></p>

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