Our IMAGINE set includes 5 hair tie bracelets in sun-kissed rainbow hues: blue, green, yellow, and red and is complemented by a stunning cream bracelet with multicolored beads. The golden rainbow charm brings hope of the beautiful possibilities that come after rain. Medium is the size of a normal hair tie band. It fits wrists between 5-6.4" around. Small is better for younger girls and small teens.  It fits wrists under 5" around. Large is sized for wrists 6.5-7.5"