If you've been afraid to try using an M-bag to mail your items or if you have never even heard of an M-bag, keep reading. An M-bag is an economic way to ship items overseas. I have been using them more and more the past few months, enabling me to open my auctions to worldwide bidders. M-bags are large (I mean LARGE as in you could hide a body inside) canvas bags that the Post Office will provide. Some of the newer M-bags are a lighter weight plastic but I prefer the canvas. Anyway, you can use M-bags for almost anything and they have different rates such as an airmail M-bag or media M-bag. You can put as many items as will fit in the M-bag. They should be boxed before going in. I find I can fit two copy paper type boxes in an M-bag, sometimes 3 boxes of varying sizes. The M-bags are also of different widths, but you can't be picky. Sometimes the postal workers have to look high and low just to find one lying around. They will let you take it home to pack. A good policy is to put a shipping label on each parcel that goes inside the M-bag, just in case. There is a special tag to be used on the outside of the bag and of course, you need to fill out the customs form. The postal staff will seal up the bag for you.
I am based in the U.S. and I have shipped M-bags to such diverse countries as Estonia, Argentina, Malaysia and Australia. The minimum weight they will charge you for is 11 pounds, but for example, the media rate turns out to be way under $2 per pound, very economical. Check it out on the USPS.COM website.