Note: Walmart Gift Card (US) sold by SEA Gamer Mall is a region-locked product. It's only valid in the region of the UNITED STATES.
Step 2: Kindly login to your Walmart account, then click on the "Account"
Step 3: Kindly choose the "Gift card" option under Wallet and fill in your Gift Card's number and PIN then click "Save Card".
Step 4: Once successfully saved the gift card, you may now use it during checkout and on the payment, method screen selects the Gift Card you added just now.
If your order total is less than the amount on your Walmart Gift Card, the remaining amount will be available on your card for future purchases. If your order total is more than the amount on your Walmart Gift Card, you will need to pay for the balance with additional gift cards or a credit/debit card.