Seriously, just looking at the supermarkets and all they have are 1.75litre bottles. It's only coloured water FFS!. I expect this with chocolate bars but a quarter of a litre of my favourite drink vanishing. 
Pepsi it is then.

Pepsi it is then.




Never got into smaller sizes and contoured bottles - it's coke not bloody art and always gives the impression of being ripped off.
(not that I've ever seen one)