Hi, i guess al of you people take your metal or plastis refillable water with you when you visit us in barcelona...or other vacacion place...i se here so many people with those plasticwater bottle...it is a shame people won´t use it because it not the typical botle or does not fit in a cupholder...come life is much complicated than that... shure they have thought a lot to make this product.... and if the product is not fitting your creteria of what is sustainable...redesign it...make it better... that will really help... Thanks //Alfredo