The CELEBRATE pack brings the beach party vibe with ocean blue and coral hues. K'lani hair tie bracelets can be used as a bracelet or hair band.  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"