S type: bandwidth 1.5 cm rope diameter 1.0 cm rope length 120cm long bust adjustable size: 26-40cm

M type: bandwidth of 2.0 cm rope diameter 1.5 cm rope length 120cm long bust adjustable Size: 36-54cm

L-type: width of 2.5 cm rope diameter of 2.0 cm rope length 120cm long bust adjustable Size: 40-70cm