Policy

Shipping Policy

How orders are processed, which carriers we use, how long delivery takes and when shipping is free.

Last updated
Free over $89 On U.S. orders. Below that, shipping is calculated at checkout.
Next business day Every order is processed the next business day.
3–5 days USPS Ground, the standard and free-shipping service.
Overnight FedEx, under 24 hours, shipped Monday to Thursday.

1) Order Processing

All orders are processed the next business day.

2) Shipping Method

We currently offer the following shipping methods for U.S. orders:

USPS Ground (Including Free Shipping) estimated delivery: 3-5 business days

UPS 2 Days estimated delivery: 2 business days

FEDEX Overnight estimated delivery: less than 24 hours (only shipped Monday – Thursday)
Delivery times can vary slightly depending on location, weather, and carrier operations.


We currently offer the following shipping methods for Canadian orders:
UPS Ground estimated delivery: 3-5 business days

Delivery times can vary slightly depending on location, weather, and carrier operations.

3) Free Shipping

Free shipping is available on U.S. orders over $75.

For orders below that threshold, shipping fees are calculated at checkout.

4) Shipping Address Accuracy

Customers are responsible for entering the correct shipping address at checkout.

We are not responsible for delays or delivery issues caused by incorrect address information.

5) Lost or Damaged Packages

  1. Review your tracking details first.
  2. Contact the carrier for status updates.
  3. If needed, contact our support team so we can assist at support@rrklabs.com

Still need a hand?

Email us with your order number and we will pick it up the same day during working hours.

support@rrklabs.com Contact page

All products on this site are intended for laboratory research use only. They are not for human or veterinary use, and not for diagnostic or therapeutic purposes.