This is Queenwish Newest of the Infinity Weddding Promise Rings for Couples Set, 6/8mm Width Gold Silver Two Tone Engagement & Anniversary Bands, Suitable for Both Men and Women
This Classic, Weighty and Durable, Comfort Fit & Trendy Design Wedding Bands Now Comes in Tungsten Carbide. Gold Silver Symbolizes Pure and Eternity. It is Unique Gifts for Men or Women
How to Clean Tungsten Carbide Jewelry
1.Create a solution of water and dish soap.
2.Wipe the surface of your jewelry with a damp cloth.
3.Rinse and dry your jewelry.

Caring for and Protecting Your Tungsten Carbide Jewelry
1.Do not intentionally drop or strike your ring.
2.Do not strike your ring with a heavy object, such as a hammer or dumbbell.
3.Limit the jewelry's contact with chemicals.
3.Limit your use of ultrasonic jewelry cleaners.
4.Store your tungsten jewelry separately.
Tips:
If washing does not remove the tarnish then you must use a tarnish remover specifically for tungsten. and If you have any question, please post into "Customer Questions & Answers" at the bottom of this page.