Each set of Flexies Laces comes with 18 pieces in three different sizes.
Each lace is marked with either a 1, 2, or 3.
1 is small 2 is medium 3 is large
Mix and match the sizes based on shoe style and fit.
Place the large end of one lace in the eyelet of your shoe. Pull through from the other side until secure.
Repeat for the opposite end of lace and with remaining laces.