The phrase "bulky cargo" refers to large or oversized goods or items that are difficult to move or transport due to their size and weight. Full definition
The wide rear opening makes loading bulky cargo easy, and the hatchback is noticeably light. (bestride.com)
From the first look, I thought it was too much of a skinny jean look with bulky cargo pockets. (happyfitmama.com)
The Type R is as functional as it is aggressive, because the large tailgate is sized to allow easy loading of sports equipment, luggage and even bulky cargo. (hondanews.com)