NCAA Penn State Team Medallion, Mini-Helmet and Mardi-Gras Bead Set Medallion Bead: 36-Inch 10mm Metallic Beads in Alternating Team Colors with the Official Team Logo Medallion. Medallion measurements vary upon size of Logo. Mini Helmet Bead: 36-Inch 10mm Metallic Beads in alternating Team Colors with Mini-Helmet featuring the Official Team Logo. Mini Helmet measures approximately 2-inches in height and 2.5-inches in width.