They used to sell milk in plastic bags
Whatever project you want to do with that.
No, they come in cartons and plastic jugs, at least at the superstore.
Milk carton
yes
Yes, milk jugs are recyclable. They are typically made of a type of plastic called HDPE (high-density polyethylene), which is widely accepted by recycling programs. Be sure to rinse out the jug before recycling to prevent contamination.
Glass bottles break, and then you've got milk all over and broken glass to deal with.A plastic bag weighs less (cheaper to transport), is less likely to break, and even if it does then there's just the milk and a piece of harmless soft plastic.Now: the question of "why plastic bags instead of plastic bottles" is most likely because you live in America's Hat, Canada. I really don't know why they made this bizarre choice.
It is sold in a printed plastic bag containing three clear oblong plastic bags.
if you are referring to Polyethylene; polyethylene is one of the world's most widely used plastics in the world and can be found in plastic bags, plastic milk cartons and other packaging
Plastic resin is a polymer-based material. It is most commonly used for soda bottles, plastic wrap, plastic bags, milk jugs, and vitamin containers because it keeps the items fresh.
Breast milk storage containers can be purchased at any local convenience store such as Wal-Mart or Target. They can be purchased in reusable hard plastic, or bags.
plastic bags plastic bottles plastic containers (such as empty milk jugs and empty laundry detergent bottles, yogurt containers, other empty food containers, styrofoam, plastic cups, plates, forks, knives, spoons disposable diapers plastic packaging from toys, tools, etc. newpaper glass tin and other metals aluminum cans, aluminum foil, plastic wrap, wrapping paper, grocery bags, ribbon, brown lunch bags