3.5" (newborn-3 months) 4" (3-6 months) 4.5" (6-12 months) 5" (1-6 years) 5.5" (6-9 years) 6" (women's sm/9-12 years) 6.5" (*womens. med/mens x sm) 7" (women's lrge/*mens sm) 7.5" (women's x lrge/mens med) 8" (mens lrge) 8.5" (mens x lrge)

stretchy string w/14k gold filled stretchy string w/sterling silver stretchy string w/stainless steel 14k gold filled wire sterling silver wire