Yes, they offer several sizes of envelopes and small boxes. If you have a large box or parcel, you may need to do your own packaging.
For ordering mailing supplies like envelopes, stamps, boxes etc. the USPS does not offer free shipping. When you order these items, you'll only get the shipping and handeling price after the shipping address is entered. The United States Postal Service offers free shipping envelopes, cartons, & boxes for priority mail shipping only. You can obtain priority mail supplies at you local post office or order them online at www. usps.com.
Yes, if you are shipping Flat Rate Priority. You can either order those boxes on the USPS website or check your local post office to see what they have in stock.
UPS does not appear to have any flat rate shipping supplies. While they offer a variety of sized boxes, the shipping rates are dependent on where the package is being shipped.
The fastest shipping method is overnight shipping, offered by USPS, FedEx and UPS. It is also the most expensive. The most economical fast shipping option is USPS's priority mail flat rate boxes that deliver in two days.
4~6 days
You can get free wholesale shipping boxes on BoxGiver
BoxGiver offers free shipping supplies that people give away. Hope that helps!
USPS does offer bubble bags in all sizes online.
Yes, USPS offers boxes. You can buy them online or in your local post office.
Uline has great prices on shipping supplies, but doesn't sell as many "cute little" types of things. Uline has bigger discounts and is geared more toward shipping, NashvilleWraps focuses more on retail packaging. They both have bubble mailers and kraft boxes. I mostly use USPS priority boxes and envelopes, and I get my tissue paper from Uline. :)
Visit usps.com to find a local post office near you. Bring the package you wish to mail and they can answer all your questions there about prices and shipping times.
The USPS offers shipping boxes for it's customers. These are available for free on their website.