High protein mealworms attract insect eaters you won't see at your seed feeders, such as bluebirds, catbirds, mockingbirds, orioles and robins. Dried mealworms store well and require no special treatment. About 2800 mealworms per package. No refrigeration needed. Mealworm sampler set includes 1 each of: Cranberry, Fruit, Berry, & Original mealworms.