I usually send: fruit (apples, grapes, oranges, etc), veg sticks (cucumber, mini tomato, carrots, peppers, etc.), Grain (rice ball, pasta, couscous, wrap, roll, bagel, burger bun, etc), a cheese (cheddar, parmesan, baby bell, emmental, etc), a meat (salami, pepperoni, ham, bacon, turkey, chicken, tuna, sausage, hot dog).
Snack of treat (homemade cake, granola bar, pretzels, tortilla chips, popcorn etc) and fruit.
Water to drink.
No nuts, no crisps, no chocolate or candy.