The Chameleon Vue Pre-stained Protein Ladder offers multi-colored, pre-stained proteins for molecular weight estimation. This pre-stained protein ladder allows easy visualization of gel migration and protein size, provides a vibrant color scheme that allows you to quickly orient your gel or membrane, can be used for chemiluminescent detection when paired with the WesternSure Pen, and is optimized for use with Bis-Tris and Tris-Glycine gels.