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Use "unopened" in a sentence
"PET ADOPTIONS AND FOOD DRIVES, sponsored by St. Mary's Animal Welfare League, which will accept donations of food and litter for SMAWL's Pet Food Pantry in unopened bags or cans."
"Collecter Series (large figures, still in unopened box) – Luke, Han, and Obi Wan"
"Donations of food for SMAWL's Pet Food Pantry should be in unopened bags or cans; cash donations also accepted."