Product information:

Material: black gallstone
Style: simple
Modeling: geometric
Applicable gift-giving occasions: travel souvenirs, advertising promotions, employee benefits, public relations planning, holiday gifts, trade fairs, etc.
Color: 6T flat black
Size: No. 6 (about 16.5mm), No. 7 (about 17.1mm), No. 8 (about 18.1mm), No. 9 (about 18.9mm), No. 10 (about 20mm), No. 11 (about 20.8mm), 12 Number (about 22mm)

Packing list :

Ring X1