DENTAL IMPRESSION TRAY
Specify:
Perforated 
1# Large Upper              2# Larger Lower    
3# Medium Upper             4# Medium Lower
5# Small Upper              6# Small Lower
7# Upper Left/Lower Right   8# Upper Right/Lower Left
9# Anteriro Upper           10# Anterior Lower

Non-perforated
7# Upper Left/Lower Right   8# Upper Right/Lower Left
9# anterior Upper           10# Anterior Lower

Color: Blue, Red, Yellow, Transparent