With some Economy Fares the maximum combined Linear Length of any two pieces of checked baggage is 273cm/107in but no one piece may exceed a Linear Length of 158cm/62in - in which case the other piece may not exceed a Linear Length of 115cm/45in.
So for a 30 gram serving of protein it would cost about $1 per day. From these two samples of protein powder I found that an acceptable price range for 30 grams of protein from protein powder is between $1 and $1.50 (assuming close to equivalent protein powder quality).
Nutrition Information for the Meal Plan. **The meal prices shown above are based on those found at a large chain grocery store in the DC Metro Area during the month of December. The price per portion of the featured recipes was based on the price published the this month's featured cookbook: Diabetes Meals on $7 a Day or Less. Total cost of this meal plan is less than $7.00 for the entire day.