Product Information:
Material: titanium steel
Color: Gold and silver
Size: US Size 6, US size 7, US size 8
Us size 6 = Port size 11: Inner diameter 1.6cm suitable for finger circumference 5-5.4cm
Us size 7 = Port Size 14: Inner diameter 1.7cm suitable for finger circumference 5.4-5.7cm
Us size 8 = Port Size 17: Inner diameter 1.8cm suitable for finger circumference 5.8-6.1cm

Packing list:
Ring X1PCS