Help Orders How do I change my membership? If you'd like to change or cancel your membership, please log in to your MeUndies account and select the "Membership" tab. From this tab, you can update your membership order at any time. Related articles How does the membership program work? What if I need to change or cancel my order? What is your return policy? How do I receive a $20 referral credit for referring a friend to MeUndies? What’s my order status?