will the sd card fit into my cell phone?

[Keysha]

i have a straight talk samsung r355c cell phone and i need to know will this sd card fit into my phone and work
this is the link
http://cgi.ebay.com/NEW-Patriot-4GB-MicroSD-Memory-Card-Samsung-Alias-2-/140466061106?pt=Digital_Camera_Memory_Cards&hash=item20b46dff32

i know it has a different name on it but i think that is just to attract an audience of different buyers.