Sweetbread is a culinary name for the thymus (also called throat, gullet, or neck sweetbread) or the pancreas (also called heart, stomach, or belly sweetbread)

Sweetbreads: The thymus gland of an animal, often from a calf, lamb, pig, or veal. Sweetbreads are known for their rich, buttery flavor and smooth texture. They are often served roasted or fried.

sold by package 20 straight, but weight may vary, if it is significantly more than 1/2 lb will be charged extra