Free Shipping on all domestic orders.

International shipping is a flat low fee of $20.00 per order.

Domestic orders arrive within 3–5 business days. Internationally orders will arive within 7-21 business days.

USPS shipping is available for orders with a PO Box, Rural Route, or APO/FPO/DPO address. Orders shipped to a PO Box or Rural Route will arrive within 7-10 business days. Orders shipped to an APO/FPO/DPO address will arrive in 3-5 weeks, not the standard 3-5 business days.

*Final delivery will be made by USPS. This will not affect the standard delivery timeframe.

*Our 4 day shipping guarantee does not include mistakes or delays made by USPS. We ship all orders within 24 hours and pay for 2-3 day shipping. If the order does not arrive within that time period, USPS is to blame.


Narrows Labs ships Monday through Friday, excluding holidays. The shipping cut-off time is 3pm PST. Orders placed after 3pm PST will be processed the next business day. All shipping dates are pending credit card verification for in-stock merchandise. Please allow 1-2 business days for your order to process before it is shipped. Deliveries occur Monday – Saturday. Please note that Narrows Labs does not ship to businesses, hotels, or freight forwarders.