1# red and blue stripes/double-layer knot 2# red, white and black stripes/double knot 3# black and white-thin/double-layer knot 4# green and black strip/double-layer knot 5# orange black stripe/double knot 6# purple and black stripes/double knot 7# gray black strip/double-layer knot 8# red and black-thin/double-layer knot 9# black and white wide stripes/double-layer knot 10# red and white-thin/double-layer knot 11# red and white wide stripe/double knot 12# black yellow stripe/double-layer knot 13# black rose red/double-layer knot 15# pure red/double knot 16# pure green/double knot 17# red and green stripes/double-layer knot 18# green and white stripes/double knot customized color, please contact customer service

children (7-12 years old)