Plastic milk/water bottle (B33 Birmingham)

I’m in need of large plastic bottles, like the one pictured, for winter sowing of flowers and veg seeds.

Have been collecting my own but I’m looking for upwards of 13 ideally and I’m not able to get through that much milk by the time I need it haha

Can be bottles that hold any type of liquid but would need to be about 4 pint size.

Anything would be much appreciated :)