Approximately 4cm to approximately 6cm - 6cm - - 5.5cm - - 5cm - - 4.7cm - - 4.5cm - - 4cm - 1 set contains 12 pieces (6 pieces per foot) Package may have folds or wrinkles. The package bag may open. Please understand. #Purple Shoe Laces #Purple Fashion Items Can be used by adults if the shoe size is small. I was able to use them with 23cm sneakers. It's not absolute as it depends on the design. Please understand.