I've ordered SiN membranes like that from SPI before and they ship them in regular TEM grid holders and then some bubble wrap. I think the most important thing is to ship overnight so that the transit time is minimized. In my experience most of the membranes would arrive ok, but they are so fragile they break if you look at them too long ... On Thu, Jun 23, 2011 at 2:18 AM, Nabhiraj Yalagoudwrote: > Hello Balachandra, > > fasten them on TEM holder(grid) and then seal in plastic box. Make sure that > there is no relative motion between the holder and the membrane. > How did you handle them? > How did you please them in tissue paper? > How they are produced? > > Nabhiraj > VECC, Kolkata,India