For the month of June we are offering free first class shipping on all orders over $20. We already offer free priority mail on orders over $75. To get the $2.25 discount "Which is our flat rate first class mail cost" on your order make sure you have over $20 dollars of product in your cart and use the coupon code freeship at checkout! This discount is not valid on orders of $75 dollars and over as that already qualifies for free priority mail shipping.