Dear Hello Bangkok,
Your seller account is eligible to offer the Two-Day Shipping option. If you have selected this shipping option in your Shipping Settings, it will now be available for customers to select during check-out.
Please review the options to remove an ASIN from a shipping option by visiting the Shipping Overrides help page.
Note: You must continue to meet and maintain the Premium Shipping Options performance thresholds required to be eligible to offer this shipping option.
Sincerely,
Your Amazon Marketplace Team