The Glow set is pure 80s nostalgia—bold, playful, & impossible to miss! Inspired by neon lights, roller rinks, & carefree summer nights, this set features fluorescent brights, fun colorful beads, a statement bow, & a shining star charm that brings it all together. Lightweight, comfortable, & eye-catching, the Glow set adds just the right amount of retro flair to any outfit! 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"