It take just 25 two-litre pop bottles to make one adult-size fleece jacket
Yes, possibly – but even if you could find something to glue the bottles together with, you'd end up looking like the Michelin Man. And it would hardly be comfortable...
(Seriously, a company called Greenpac does make clothing from plastic yarn taken from melted-down drinks bottles, but there was no explanation of this in the Daily Mail story – hence the strange mental image. With language, context is everything.)