Gutzy Gear. The company make strap covers that your child could put over their school backpack or messenger bag straps and personalized them by putting patches on them. There are a wide variety of cool patches to choose from. The best part for me is that there is no sewing involved!
*I received a free product (or products) for review purposes. I did not receive any form of compensation from the company. All opinions are my own and not influenced in anyway. My reviews are not always positive, but they are my personal and honest opinions. Other people's views and experiences with the product or products might be different from mine.