Our foil lined, moisture proof, resealable On-The-Go Packs are perfect for the busy athlete. Take them with you to school, practice, tournaments, training sessions and more to ensure you're always fueled up and ready to compete at the highest level. Every order of our Performance Bundle Sports Shakes comes with one set. Notice: These are empty. You fill them from your bottle to easily take your sports shakes with you when on-the-go.