The sin of the sons of Eli was that they treated the offering of the LORD with
The sin of the sons of Eli, Hophni and Phinehas, was that they treated the offering of the LORD with contempt. They were priests who were responsible for collecting offerings and sacrifices from the people, but they would take the best portions for themselves and treat the rest with disrespect. They did not honor God's laws and treated His offerings with disdain, which was a great offense in the eyes of God. As a result, God punished them severely and they died on the same day.