Our "Shimmer" set includes five bracelets that double as hair ties in beautiful corals and creams inspired by the shimmery seashells washed up on the beach. The set features seashells, pearls, and silver beads that will surely bring the sandy and salty vibes of the beach to your everyday life. 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"