I enjoy oat milk but my day to day milk replacement is regular unsweetened soya milk. I do get oat milk once a week from my milkman so no idea what brand it is

I enjoy oat milk but my day to day milk replacement is regular unsweetened soya milk. I do get oat milk once a week from my milkman so no idea what brand it is and it comes it a glass bottle that's collected the week after so pretty much zero waste.