You can store breast milk in milk storage bags, milk storage plastic bottles, glass bottles, plastic cups with tight lids, there are special trays to put in the freezer. (attachfromscratch.com)
People who have very tight lids that do not let out a lot of steam may have a more liquid final product. (thelemonbowl.com)
They are just as immoral (if not more so) as everyone else, they just believe in keeping a really tight lid of secrecy on everything. (religion.blogs.cnn.com)