A sachet is a small bag or pouch.
Okay, but knowing that, then the question begs to be asked, "What is a sachet made of?"
Easy enough question, but of course the answer is dependent on what the sachet will be used for.
For instance, those small packets of ketchup or mustard that you pick up at a fast food restaurant are actually small sealed sachets filled with semi-liquid material. And plastic would seem to be the best choice to make these sachets from.
Another common sachet you might have seen is the small scented paper envelope. They are thin, aromatic, and easily disposed of when the scent soon dissipates.
You can have a small leather pouch to carry your coins in, or a small water proof vinyl bag to keep things in your pocket dry.
You can even have a small plastic zipper storage bag (sachet) that you can keep your snacks fresh with.
Generally though, especially for the purposes that we use them for, a fabric would be best suited for them.
The fabric material is porous enough to "breath" freely, so that you can enjoy the aromatic contents within the sachet.
Cotton works beautifully, as does also linen, though some of the linen materials can be a bit stiff.
Silk and some nylon materials can give a nice soft luxurious texture to the sachet.
Organza material allows you to see the contents of the sachet as well letting any fragrance through for your enjoyment.
And the organza sachets offer you their economical side also, bringing elegance along with their lower price.
So there you have it. Knowing that a sachet is a small bag made of pretty much anything you need it to be made of can give you a much better understanding of this beautiful little concept.
And since we use our sachets to display the wonderful aroma that comes packed in the form of lavender buds, then fabrics of one type or another are what our sachets are made of.