If you've made a mistake with your measurements, don't worry! You can contact us within a 12-hour window after payment. During this time, we'll do our best to assist you with any changes needed. After this period, your order will be sent to production, and changes cannot be made. Please reach out to us via chat or email with your order number, and we'll be happy to help. Be sure to check our guide on how to measure your wall correctly for accurate dimensions.