1. Redeem your Lazada Gift Card from MQ Marketplace.
2. You will receive the Lazada Gift Card in your email within 1- 2 working days (sent by MQ Trader).
3. To redeem, enter the Lazada Gift Card on the Order Summary page at "Have voucher code? Apply here"

• The following terms and conditions apply to the redemption and use of promotional vouchers and voucher codes ("Vouchers").
• Voucher code is applicable on Lazada.com.my or Lazada app only.
• It is not a cash voucher.
• No minimum purchase is required to redeem this Discount.
• The voucher code is applicable for one (1) time redemption only.
• Please Create or Log on to your Lazada account to redeem the discount.
• The discount is applicable for one (1) time redemption only exclusive of shipping/courier charges.
• No cash alternatives or refunds will be offered in lieu of Promotion entitlement.
• The voucher code cannot be combined and accumulated.
• Issued Gift Cards cannot be exchanged for cash.
• Gift Cards cannot be used to purchase other Gift Cards, insurance products, baby diapers, baby food & baby formula, tickets, vouchers and mobile top-ups.
• LAZADA reserves the right to alter, cancel, terminate or suspend the Promotion or any part thereof or any part of the applicable terms and conditions from time to time, with or without any prior notice.
• Gift Card recipient to contact Lazada's customer service hotline at 03 8601 1888 to report any issues pertaining to the usage of the Gift Card.
• Only one (1) code can be used during check-out. The gift codes are not stackable.
• Expired and unused Gift Cards shall not be liable by MQ Trader

You can refer to this link for detailed Lazada Gift card Terms Conditions.