Crackers are a non-perishable food item.
Crackers can be eaten to restore hunger.
Crackers are often found in vehicle trunks and crates located in kitchens.
From items_food.txt (Project Zomboid directory/media/scripts/)
Type = Food,
DisplayName = Crackers,
Icon = Crackers,
Weight = 0.1,
HungerChange = -5,
Carbohydrates = 12,
Proteins = 1,
Lipids = 6,
Calories = 70,
CustomEatSound = EatingCrispy,
WorldStaticModel = Crackers_Ground,