Do you really need a matte box?
Mat Board Center, Archival Photo Storage Box, Card Box
10 X 10 Mat Photo Box Made in USA.
Mat Photo Box - Canada
CLIQ-o-MAT Luxembourg
Mat Photo Box
microMatteBox, Professional Matte Box – Redrock Micro
Personalised Mouse Mat, Photo Mouse Mat
Mat Photo Box - Canada
4 Reasons Why You Need a Matte Box for Your Next Shoot