I found this on my disney budget board. I signed up so I hope they send it to me. I figure it would help with envelopes and stuff. Not sure exactly what it will be but it won't hurt anything to check it out.
Those things are actually pretty cool. I ship from home for my business and typically no package is over 1 lb., but occasionally I have one that's borderline. So I pop it onto one of these and then I know I'm charging the right postage. I don't want customers hounding me because their item is delayed due to postage issues!
Also, y'all might know this already, but USPS will send you - for free - Priority mail shipping boxes if you just request them online. AND if you do Priority Mail with Delivery Confirmation online and print your own labels, there's no charge for DC. I've been shipping this way for three years and I love it because (so far, knock wood!) the USPS has never lost a package or caused me problems. And my shipping materials are pretty inexpensive since I don't have to buy the mailing boxes. :)
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"Good taste shouldn't have to cost anything extra." - Mickey Drexler