Baggies Food Storage Bags - 1970's

Here in this quiet scientific laboratory, these quiet scientists will prove food stays fresh in baggies. Baggies are dirtproof. Baggies are waterproof. Baggies are strong. But can even baggies stand punishment like this? Time will tell. Still fresh. With baggies, what's good stays in? What's bad stays out? And it's proven scientifically.