After-sale Service There is a LOT number on each box of contact lenses. Please send us, if any quality issue(s), Yanta is willing to follow for you, reissue or collect the related lenses.
Exchanges Yanta accepts exchanging the same products for different prescriptions and/ or colors within one month. All returned merchandise must be in the original selling condition and include the original product packaging, tags, and labels. Customers must pay for delivery.