Sobe Lifewater B1G1 free.
I often see these on sale for $1 at different stores and they are quite often a gift card promo at Target (ex. buy 10 get a $5 Target gift card). It is a bricks coupon so hit the back arrow to print again. I was able to print 4 times on one computer.
Tip--find a B1G1 sale and use the coupon to get 2 free :)