the us postal service uses machines that have rollers on them. envelopes get sent thru these rollers. they can be under A LOT of pressure. if something such as, lets say seeds, were to be sent thru these rollers they WOULD be crushed. there are methods to preventing this from happening. padded envelopes work well. something more than heavy paper. if you can pinch the package and feel the bean so will the rollers. hard containers for your products also work. i don't and never would send seeds and i don't even know anyone who would, but if they were to........ 




