Quality assurance will not be given for any consumables. No refunds will be provided and no returns will be accepted. Swapping of brand new consumable purchases is granted and in which case you should need to trade it for a unequal size/model/batch, you can directly pay the amount if traded pack is of higher 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.