So a lot of times when shipping small parts it is tempting to just throw them in a bubble envelope or put them in a baggie then a bubble envelope. Making a baggie out of a piece of scrap paper costs less and is more sustainable though. With some creative folding you can ensure safe delivery of small parts while saving money at the same time. I also like using clean used bubble envelopes as bubble wrap for less fragile items for extra protection.
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https://www.youtube.com/watch?v=vSHyomwwzaU