Reference: http://www.creative-biolabs.com/premade-phage-display-peptide-libraries.html

TriCo-16™ Phage Display Peptide Library
Type: pIII-fusion, True Phage Display
Format: 16-mer peptide library
Capacity: 2.60×1010
Trimer codons technology
Avoid stop and non-sense codon
Trimer codon for cysteine was excluded

TriCo-20™ Phage Display Peptide Library
Type: pIII-fusion, True Phage Display
Format: 20-mer peptide library
Capacity: 1.70×109

Trimer codons technology
Avoid stop and non-sense codon
Trimer codon for cysteine was excluded