Most orders are processed within 2-3 business days of receipt. Orders placed on Fridays after 7pm PST and on Saturdays and Sundays will be processed the following Monday (excluding holidays).

Shipping charges within the U.S. are based on either USPS/Regular mail or USPS/Priority Mail, depending on weight. Free shipping (except to Alaska, Hawaii, and countries outside of the U.S.) is offered on all orders over $40. Flat rate USPS shipping is used for countries outside the U.S.

Standard shipping times are as follows:
– Within the domestic U.S.: 3-5 business days.
– All other countries: 10-20 business days*

*International shipments (outside the US) are subject to additional customs charges at the destination. Mirai Clinical is not responsible for additional customs clearance charges.

INTERNATIONAL SHIPMENT NOTICE: Due to the situation with COVID-19, International shipments may experience service disruptions. Please see the United States Postal Service (USPS) for more information. 


We would like you to be fully satisfied with your purchase. will accept returns on items purchased through our website with a receipt and order #. Please refer to the instructions below for the return of and refund for purchased items.


To return or exchange your purchase or for any other order discrepancies, please email us at within 30 days of receipt of your purchase for a Return Authorization Number. Unfortunately, we are unable to refund the freight charges and we cannot accept any returns after the 30-day period.