Levi's 'water' offer

While mall trawling at The Curve today, i came across this campaign by Levi's

The small print : Applicable with minimum purchase of RM399 on regular priced items, in a single receipt. One water bill is valid for one transaction only and not to be combined with any other promotions. Terms & Conditions apply.  

FAQ : http://levi.com.my/my/newsevents/2013/12/save-on-water-save-on-levis.html