Maybe you were looking for one of these abbreviations: OKX-OKY-OKZ-OL-OL MKT-OLA (OC) - OLAB-OLACEFS-OLAD-OLAF.
JanSport is an American brand of backpacks and collegiate apparel, now owned by VF Corporation, one of the world's largest apparel companies. JanSport is the world's largest backpack maker, and together, JanSport and The North Face, also owned by VF Corporation, sell nearly half of all small backpacks sold in the United States.
Comments about JanSport BIG STUDENT BACKPACK: I have had one of these bags for 4 years and they last a long time. They are great for middle and high school when you need a durible bag that will hold lots of stuff. And if they get dirty you can throw them in the wash with no problem.