Following are the steps through which you can redeem your promo code:
DealMeCoupon is the website where you can find all sorts of promo codes and discounts.
Copy the Funky Farms coupon code and open the website.
Purchase the products of your choice.
Before proceeding to check out, you will see a taskbar saying add a promo code.
Paste your promo code in there, and your code is redeemed.