Silicone Rubber 8.0mm Width Stepped Ring Flexible Band Sport Gym Safe Work 1pc

Size: (inside diameter) size7=17.3mm  size8=18.2mm  size9=18.9mm,

         size10=19.8mm  size11=20.7mm  size12=21.5mm  size13=22.3mm size14=23.2mm

Material: Silicone

Color: plz choose

Width: 8.0mm

Thickness: 2.5mm

Quantity: 1pc