WARNING: This product contains nicotine. Nicotine is an addictive chemical.
Thanks for choosing KEYSTONE. You can find the authenticity verification code sticker on the product packaging,
scratch off the coating to get the authenticity verification code, Enter the security code on the back of your KEYSTONE product
to verify the authenticity. You can also scan the code on the sticker with your phone to see the results.
Scratch off the security code coating printed on the product packaging.
Scan the QR code to verify the product's authenticity and click Submit to complete the verification.
