Hurry and get a coupon for $3.00 off one Coke 12 Pack for only 160 My Coke Rewards. This coupon will be good for three months, so plenty of time to save for a sale and maybe get a free 12 pack! Not familiar with My Coke Rewards? Just sign up and whenever you buy Coke products, you’ll find a My Coke Rewards code either inside the carton or on the lid. Enter these codes and earn rewards.