Value warranty will not be provided for any consumables. No refunds will be presented and no returns will be accepted. Trading of brand new consumable purchases is granted and in which case you should desire to trade it for a unequal length/model/batch, you can simply pay the difference if replaced package is of greater quality.
No quality warranty is provided for any consumables. No return and no refund. Exchange is allowed for unused and intact (unopened if sealed) consumable purchases should you need to exchange it for a different size/model/package and you can simply pay the balance if exchanged package is of higher value within few days after purchase.