SOS Paper Bags - Colors
SOS Paper Bags in Colors, Choose from 12 Colors - Available Plain or inquire about custom printing options at service@gogopak.com. In 1883, Charles Stilwell patented a machine that made square-bottom paper bags with pleated sides, making them easier to fold and store. This style of bag came to be known as the S.O.S., or "Self-Opening Sack"