Travel snack organizers come in a wide range of capacities. Single-serve and small containers start around 5 ounces (and small cup-based glass options in 2–4.33 cup sizes). Mid-size options include containers around 37 ounces and 64 ounces (about a half gallon) and bento-style boxes (about 2.8 quarts). Lunch bags/packs are often listed around 80 ounces of volume, and large storage options include slider bags up to about 2.5 gallons.