BOXO Hair Roller / Hair Curlers / Hair Accessories For Women & Girls These Hair rollers and curlers will give your hair lift, curls and waves easily creating a unique fashionable style. No need for chemicals with this natural hair styling tool set. Stretched length: 9pcs 30CM + 9pcs 20CM Diameter: 2.3 cm No harm to hair, easy operation Temporary curling, or long-lasting curling used without heating or damaging hairs. Suitable for all types of hair.