1 Pint Milk Cartons (Putnoe MK41)

Hi,
I'd really appreciate some 1 pint milk cartons so I can freeze milk when I find it at a reduced price - sometimes I see 4 pint cartons reduced by 75% with a use-by date of that day...
I know I can freeze the 4 pint carton, but it takes 2 days to defrost and then needs to be used pretty immediately...
If I could decant those into 1 pint cartons before freezing, it would really help... and would be great for me to help make my very limited budget stretch further and avoid food waste...
I don't have a car and am reliant on public transport to get about as well as having some mobility issues, so long-distance walking is slow and painful, but I will do my best to pick up from areas close-ish to me...
Thank you in advance xxx