There are many different types of debris in the ocean including cigarettes, bags, caps/lids, food containers, cups, plates, utensils and many other types of debris. This can be caused by poorly managed landfill sites, sewer overflows, manufacturing sites, illegal dumping on domestic and industrial trash, and street litter.
The great pacific garbage patch is not the only garbage patch but it is the biggest one out of the five garbage patches on our Earth. 20% of all the trash comes from ships and platforms offshore the other 80% comes from the wind blowing litter and the tides picking up litter. It injures coral reefs