Sportsplasticbottle and Zuohao Compare Pocket Sizes Across Popular Backpack Brands for Large Capacity Plastic Water Bottle Fit
A morning commute involves a backpack, a water bottle, and a short walk to the train station. The bottle slides into the side pocket. A few steps later, it falls out onto the sidewalk. The owner retrieves it, pushes it back into the pocket, and walks more carefully. This scene repeats itself daily in cities around the world. The problem is not the bottle's capacity or its material. The problem...