These S.H.I.N.E. Silicone Glow In Dark Bracelets are made of 100% industrial strength polished genuine silicone, unlike the flimsier and lower-quality rubber offered by others. They are glow in the dark with S.H.I.N.E. debossed on each one with orange ink filled print. Size is 7 3/8" around. S.H.I.N.E. stands for Sharing His Incredible News Everywhere.