Digital BW, The Print

<snip>
Tom,
>Do you think that the Premier Art Print Shield offers
enough protection 
>to a print to display it without glass?  

Am I missing something?  If we mount our prints
without glass or acrylic to protect the print and
matte, what happens to the matte?  Won't exposure to
the enviroment soon wreak havoc on the Matte? 
Joe D