Loaded with features and very light weight
The medium Healthy Back Bag by Ameribag is ideal for your next daytrip or business meeting. Grab a water bottle, some snacks, some books, and even your favorite sweater. The features in this Ameribag and all Ameribags include: outside velcro pocket, outside secure zip pocket, fully adjustable shoulder strap, inside brass key hook, inside personal pocket, interior gusset pocket, secure zipper pocket, large open pocket, organizer pocket, two pen slots, exterior gusset pocket and velcro flap pocket. The medium is shown in Black and is the second from the left. Medium dimensions: 19 x 10 x 5.5"

As you can tell, the Ameribag Healthy Back Bags are loaded with organization and features!