Our Melon Shell Heishi - Plain, 2-3 mm, is temporarily strung on strands that are are 24" long. Melon Shell Heishi is light orange/melon color with tan stripes. Other types and sizes of shell heishi are available, including 4-5 mm Melon Shell Heishi (24" strung). Graduated widths of Melon Shell Heishi are NOT available, but this size is available in other types of shell. See related items below).