According to this[1], it changed in 2004 (in the US) More info about Saran wrap[...

		mikewarot on April 5, 2023 \| parent \| context \| favorite \| on: Johnson and Johnson reaches deal for $8.9B talc se... According to this[1], it changed in 2004 (in the US) More info about Saran wrap[2]. It's effectively 3000x more permeable to Oxygen that the old version. [1] https://uspackagingandwrapping.com/plastic-wrap-101.html#:~:.... [2] https://en.wikipedia.org/wiki/Saran_(plastic)