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Straight up did not arrive?

Provided an OTP Is not required on delivery, then the DNA method has a very good chance of success.

What’s the sealed box method?

Put simply, you replace the original Item with anything of equal weight and pack It as per the manufacturer's state- without any signs of Inconsistencies/tampering.

When the company receives your return, they'll assume It's untouched and place It back Into stock. A refund/replacement will be Issued thereafter.

what if we dont place any subsitute product back into the box ?

How will you explain the variance In weight?